diff --git a/gm4/modeldata_registry.json b/gm4/modeldata_registry.json
index 3887abd244..430a974d53 100644
--- a/gm4/modeldata_registry.json
+++ b/gm4/modeldata_registry.json
@@ -240,12 +240,77 @@
       "gm4_fulcio_shamir:shamir/fulcio": 115,
       "gm4_animi_shamir:shamir/animi": 124
     },
+    "copper_axe": {
+      "gm4_metallurgy:shamir/hypexperia": 110,
+      "gm4_metallurgy:shamir/arborenda": 112,
+      "gm4_metallurgy:shamir/moneo": 113,
+      "gm4_percurro_shamir:shamir/percurro": 117,
+      "gm4_audere_shamir:shamir/audere": 120,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
     "copper_block": {
       "gm4_auto_crafting:guidebook_icon/auto_crafting": 1
     },
+    "copper_boots": {
+      "gm4_weighted_armour:shamir/helious": 103,
+      "gm4_metallurgy:shamir/defuse": 106,
+      "gm4_desire_lines:shamir/celaro": 118,
+      "gm4_vecto_shamir:shamir/vecto": 121,
+      "gm4_metallurgy:shamir/vibro": 123,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
+    "copper_chestplate": {
+      "gm4_weighted_armour:shamir/helious": 103,
+      "gm4_metallurgy:shamir/defuse": 106,
+      "gm4_iacio_shamir:shamir/iacio": 122,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
+    "copper_helmet": {
+      "gm4_weighted_armour:shamir/helious": 103,
+      "gm4_metallurgy:shamir/defuse": 106,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
+    "copper_hoe": {
+      "gm4_metallurgy:shamir/gemini": 109,
+      "gm4_metallurgy:shamir/tinker": 111,
+      "gm4_metallurgy:shamir/moneo": 113,
+      "gm4_audere_shamir:shamir/audere": 120,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
+    "copper_leggings": {
+      "gm4_weighted_armour:shamir/helious": 103,
+      "gm4_metallurgy:shamir/defuse": 106,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
     "copper_ore": {
       "gm4_smelteries:block/ore_display/copper_ore": 2
     },
+    "copper_pickaxe": {
+      "gm4_metallurgy:shamir/forterra": 107,
+      "gm4_metallurgy:shamir/hypexperia": 110,
+      "gm4_metallurgy:shamir/tinker": 111,
+      "gm4_metallurgy:shamir/moneo": 113,
+      "gm4_lumos_shamir:shamir/lumos": 114,
+      "gm4_audere_shamir:shamir/audere": 120,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
+    "copper_shovel": {
+      "gm4_metallurgy:shamir/hypexperia": 110,
+      "gm4_metallurgy:shamir/tinker": 111,
+      "gm4_metallurgy:shamir/moneo": 113,
+      "gm4_lumos_shamir:shamir/lumos": 114,
+      "gm4_audere_shamir:shamir/audere": 120,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
+    "copper_sword": {
+      "gm4_metallurgy:shamir/ender_bolt": 105,
+      "gm4_metallurgy:shamir/musical": 108,
+      "gm4_metallurgy:shamir/hypexperia": 110,
+      "gm4_metallurgy:shamir/tinker": 111,
+      "gm4_orb_of_ankou:shamir/corripio": 116,
+      "gm4_percurro_shamir:shamir/percurro": 117,
+      "gm4_animi_shamir:shamir/animi": 124
+    },
     "crafting_table": {
       "gm4_custom_crafters:block/custom_crafter": 1,
       "gm4_standard_crafting:guidebook_icon/standard_crafting": 2,
diff --git a/gm4/plugins/resource_pack.py b/gm4/plugins/resource_pack.py
index 10c80ff25c..0cb72b79f5 100644
--- a/gm4/plugins/resource_pack.py
+++ b/gm4/plugins/resource_pack.py
@@ -68,7 +68,7 @@
 JsonType = dict[str,Any]
 
 CUSTOM_MODEL_PREFIX = 3420000
-MINECRAFT_REFERENECE_VERSION = "1.21.6"
+MINECRAFT_REFERENECE_VERSION = "1.21.9"
 
 parent_logger = logging.getLogger("gm4.resource_pack")
 
diff --git a/gm4_audere_shamir/data/gm4_audere_shamir/function/active_tool.mcfunction b/gm4_audere_shamir/data/gm4_audere_shamir/function/active_tool.mcfunction
index b726260142..1472f582ea 100644
--- a/gm4_audere_shamir/data/gm4_audere_shamir/function/active_tool.mcfunction
+++ b/gm4_audere_shamir/data/gm4_audere_shamir/function/active_tool.mcfunction
@@ -4,7 +4,8 @@
 
 data modify storage gm4_audere_shamir:temp/player/tool SelectedItem set from entity @s SelectedItem
 execute store result score $tool_current_damage gm4_ml_data run data get storage gm4_audere_shamir:temp/player/tool SelectedItem.components."minecraft:damage"
-execute store result score $tool_max_damage gm4_ml_data run data get storage gm4_audere_shamir:temp/player/tool SelectedItem.components."minecraft:custom_data".gm4_audere_shamir.max_durability
+execute store result score $tool_max_damage gm4_ml_data run data get storage gm4_audere_shamir:temp/player/tool SelectedItem.components."minecraft:custom_data".MaxDurability
+# | MaxDamage is set by gm4_moneo_shamir:store_maximum
 
 # update newly upgraded netherite gear
 execute if score $tool_max_damage gm4_ml_data matches 1561 if predicate gm4_audere_shamir:holding_netherite run function gm4_audere_shamir:update_netherite
@@ -12,10 +13,12 @@ execute if score $tool_max_damage gm4_ml_data matches 1561 if predicate gm4_aude
 # activate audere
 execute if score $tool_max_damage gm4_ml_data matches 59 run function gm4_audere_shamir:tools/materials/wood
 execute if score $tool_max_damage gm4_ml_data matches 131 run function gm4_audere_shamir:tools/materials/stone
+execute if score $tool_max_damage gm4_ml_data matches 190 run function gm4_audere_shamir:tools/materials/copper
 execute if score $tool_max_damage gm4_ml_data matches 250 run function gm4_audere_shamir:tools/materials/iron
 execute if score $tool_max_damage gm4_ml_data matches 1561 run function gm4_audere_shamir:tools/materials/diamond
 execute if score $tool_max_damage gm4_ml_data matches 2031 run function gm4_audere_shamir:tools/materials/netherite
-execute if score $tool_max_damage gm4_ml_data matches 33 run function gm4_audere_shamir:tools/materials/gold
+# | gold used to be listed as 33 max damage, this is kept for compatibility with old items
+execute if score $tool_max_damage gm4_ml_data matches 32..33 run function gm4_audere_shamir:tools/materials/gold
 execute if score $tool_max_damage gm4_ml_data matches 237 run function gm4_audere_shamir:tools/shears
 
 # reset storage and fake players
diff --git a/gm4_audere_shamir/data/gm4_audere_shamir/function/store_maximum.mcfunction b/gm4_audere_shamir/data/gm4_audere_shamir/function/store_maximum.mcfunction
deleted file mode 100644
index 674f9c1f6d..0000000000
--- a/gm4_audere_shamir/data/gm4_audere_shamir/function/store_maximum.mcfunction
+++ /dev/null
@@ -1,37 +0,0 @@
-# @s = Audere tool item
-# run from #gm4_metallurgy:apply_band
-
-execute store success score $success gm4_ml_data if items entity @s contents minecraft:netherite_shovel run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 2031
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:netherite_pickaxe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 2031
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:netherite_hoe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 2031
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:netherite_axe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 2031
-
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:diamond_shovel run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 1561
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:diamond_pickaxe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 1561
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:diamond_hoe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 1561
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:diamond_axe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 1561
-
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:iron_shovel run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 250
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:iron_pickaxe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 250
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:iron_hoe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 250
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:iron_axe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 250
-
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:stone_shovel run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 131
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:stone_pickaxe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 131
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:stone_hoe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 131
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:stone_axe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 131
-
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:wooden_shovel run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 59
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:wooden_pickaxe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 59
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:wooden_hoe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 59
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:wooden_axe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 59
-
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:golden_shovel run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 33
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:golden_pickaxe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 33
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:golden_hoe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 33
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:golden_axe run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 33
-
-execute unless score $success gm4_ml_data matches 1.. store success score $success gm4_ml_data if items entity @s contents minecraft:shears run data modify entity @s Item.components."minecraft:custom_data".gm4_audere_shamir.max_durability set value 237
-
-# reset fake player
-scoreboard players reset $success gm4_ml_data
diff --git a/gm4_audere_shamir/data/gm4_audere_shamir/function/tools/materials/copper.mcfunction b/gm4_audere_shamir/data/gm4_audere_shamir/function/tools/materials/copper.mcfunction
new file mode 100644
index 0000000000..6925868d69
--- /dev/null
+++ b/gm4_audere_shamir/data/gm4_audere_shamir/function/tools/materials/copper.mcfunction
@@ -0,0 +1,10 @@
+# @s = player holding an Audere tool
+# at @s
+# run from active_tool
+
+scoreboard players operation $tool_max_damage gm4_ml_data -= $tool_current_damage gm4_ml_data
+
+execute if score $tool_max_damage gm4_ml_data matches 52..139 run effect give @s minecraft:haste 2 0
+execute if score $tool_max_damage gm4_ml_data matches 20..51 run effect give @s minecraft:haste 2 1
+execute if score $tool_max_damage gm4_ml_data matches 8..19 run effect give @s minecraft:haste 2 2
+execute if score $tool_max_damage gm4_ml_data matches ..7 run effect give @s minecraft:haste 2 3
diff --git a/gm4_audere_shamir/data/gm4_metallurgy/tags/function/apply_band.json b/gm4_audere_shamir/data/gm4_metallurgy/tags/function/apply_band.json
deleted file mode 100644
index 977ecbaf1e..0000000000
--- a/gm4_audere_shamir/data/gm4_metallurgy/tags/function/apply_band.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "values": [
-    "gm4_audere_shamir:store_maximum"
-  ]
-}
diff --git a/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/check_projectile.mcfunction b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/check_projectile.mcfunction
new file mode 100644
index 0000000000..9e2a59342c
--- /dev/null
+++ b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/check_projectile.mcfunction
@@ -0,0 +1,33 @@
+# Check item in offhand to shoot
+# @s = player using the crossbow
+# at arrow
+# run from shoot/any_arrow
+
+# tripwire
+execute if entity @s[gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/string,x_rotation=-15..15] align xyz positioned ~0.5 ~ ~0.5 run function gm4_crossbow_cartridges:cables/shoot_arrow
+
+# bucket with fish/axolotl
+execute if entity @s[tag=!gm4_cb_use,predicate=gm4_crossbow_cartridges:items/bucket] run function gm4_crossbow_cartridges:projectile/bucket
+
+# torch
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/torch] run function gm4_crossbow_cartridges:projectile/torch
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/redstone_torch] run function gm4_crossbow_cartridges:projectile/redstone_torch
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/soul_torch] run function gm4_crossbow_cartridges:projectile/soul_torch
+
+# potions
+execute if entity @s[tag=!gm4_cb_use,predicate=gm4_crossbow_cartridges:items/potions] run function gm4_crossbow_cartridges:projectile/potions
+
+# fireball
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/fire_charge] run function gm4_crossbow_cartridges:projectile/fireball
+
+# wind charge
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/wind_charge] run function gm4_crossbow_cartridges:projectile/wind_charge
+
+# tnt
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/tnt] run function gm4_crossbow_cartridges:projectile/tnt
+
+# beehive
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/beehive] run function gm4_crossbow_cartridges:projectile/beehive
+
+tag @s remove gm4_cb_use
+data remove storage gm4_crossbow_cartridges:temp projectile
diff --git a/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/projectile/copper_torch/check.mcfunction b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/projectile/copper_torch/check.mcfunction
new file mode 100644
index 0000000000..a0bc60df4a
--- /dev/null
+++ b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/projectile/copper_torch/check.mcfunction
@@ -0,0 +1,6 @@
+# Check blocks, to place or drop copper torch
+# @s = arrow with tag gm4_cb_ctorch, in a block
+# at @s
+# run from projectile/copper_torch/loop
+
+# EMPTY TO AVOID ERRORS
diff --git a/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/projectile/copper_torch/place.mcfunction b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/projectile/copper_torch/place.mcfunction
new file mode 100644
index 0000000000..7e91ca513a
--- /dev/null
+++ b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/function/projectile/copper_torch/place.mcfunction
@@ -0,0 +1,6 @@
+# Place copper torch on a valid adjacent block
+# @s = arrow with tag gm4_cb_ctorch, in a block
+# at @s
+# run from projectile/copper_torch/check
+
+# EMPTY TO AVOID ERRORS
diff --git a/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/predicate/items/copper_torch.json b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/predicate/items/copper_torch.json
new file mode 100644
index 0000000000..208cd14970
--- /dev/null
+++ b/gm4_crossbow_cartridges/backport_81/data/gm4_crossbow_cartridges/predicate/items/copper_torch.json
@@ -0,0 +1,11 @@
+{
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "equipment": {
+      "offhand": {
+        "items": []
+      }
+    }
+  }
+}
diff --git a/gm4_crossbow_cartridges/beet.yaml b/gm4_crossbow_cartridges/beet.yaml
index 9e1ada4a69..ac816a7e6c 100644
--- a/gm4_crossbow_cartridges/beet.yaml
+++ b/gm4_crossbow_cartridges/beet.yaml
@@ -4,6 +4,13 @@ version: 1.8.X
 
 data_pack:
   load: .
+  overlays:
+    - formats:
+        min_inclusive: 0
+        max_inclusive: 81
+      min_format: 0
+      max_format: 81
+      directory: backport_81
 
 pipeline:
   - gm4.plugins.extend.module
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/check_projectile.mcfunction b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/check_projectile.mcfunction
index 7dd5dd7827..a5525466f2 100644
--- a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/check_projectile.mcfunction
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/check_projectile.mcfunction
@@ -1,7 +1,7 @@
 # Check item in offhand to shoot
 # @s = player using the crossbow
 # at arrow
-# run from functions in shoot/
+# run from shoot/any_arrow
 
 # tripwire
 execute if entity @s[gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/string,x_rotation=-15..15] align xyz positioned ~0.5 ~ ~0.5 run function gm4_crossbow_cartridges:cables/shoot_arrow
@@ -13,6 +13,7 @@ execute if entity @s[tag=!gm4_cb_use,predicate=gm4_crossbow_cartridges:items/buc
 execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/torch] run function gm4_crossbow_cartridges:projectile/torch
 execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/redstone_torch] run function gm4_crossbow_cartridges:projectile/redstone_torch
 execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/soul_torch] run function gm4_crossbow_cartridges:projectile/soul_torch
+execute if entity @s[tag=!gm4_cb_use,gamemode=!adventure,predicate=gm4_crossbow_cartridges:items/copper_torch] run function gm4_crossbow_cartridges:projectile/copper_torch
 
 # potions
 execute if entity @s[tag=!gm4_cb_use,predicate=gm4_crossbow_cartridges:items/potions] run function gm4_crossbow_cartridges:projectile/potions
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch.mcfunction b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch.mcfunction
new file mode 100644
index 0000000000..ad725c9fd1
--- /dev/null
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch.mcfunction
@@ -0,0 +1,22 @@
+# Shoot copper torch
+# @s = player using the crossbow
+# at arrow
+# run from check_projectile and projectile/copper_torch
+
+tag @s add gm4_cb_use
+
+# add tag to arrow
+tag @e[tag=gm4_cb_arrow,distance=..1,sort=nearest,limit=1] add gm4_cb_ctorch
+
+# add fire to arrow
+data merge entity @e[tag=gm4_cb_arrow,tag=gm4_cb_ctorch,distance=..1,sort=nearest,limit=1] {Fire:2000s}
+tag @e[tag=gm4_cb_arrow,tag=gm4_cb_ctorch,distance=..1,sort=nearest,limit=1] remove gm4_cb_arrow
+
+# clear copper torch from player
+item modify entity @s[gamemode=!creative] weapon.offhand gm4_crossbow_cartridges:remove_item
+
+# repeat
+execute if entity @e[tag=gm4_cb_arrow,distance=..1,sort=nearest,limit=1] if entity @s[predicate=gm4_crossbow_cartridges:items/copper_torch] run function gm4_crossbow_cartridges:projectile/copper_torch
+
+# start loop to check if arrow is in ground
+schedule function gm4_crossbow_cartridges:projectile/copper_torch/loop 4t
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/check.mcfunction b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/check.mcfunction
new file mode 100644
index 0000000000..44ce788df3
--- /dev/null
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/check.mcfunction
@@ -0,0 +1,19 @@
+# Check blocks, to place or drop copper torch
+# @s = arrow with tag gm4_cb_ctorch, in a block
+# at @s
+# run from projectile/copper_torch/loop
+
+# summon torch item if torch already exists at this block
+execute if block ~ ~ ~ #gm4_crossbow_cartridges:torch run loot spawn ~ ~ ~ loot minecraft:blocks/copper_torch
+
+# place torch if possible
+execute if block ~ ~ ~ #gm4:replaceable run function gm4_crossbow_cartridges:projectile/copper_torch/place
+
+# summon torch item if placing torch failed
+execute unless block ~ ~ ~ #gm4_crossbow_cartridges:torch run loot spawn ~ ~ ~ loot minecraft:blocks/copper_torch
+
+# place block sound
+playsound minecraft:block.wood.place block @a[distance=..15]
+
+# kill arrow
+kill @s
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/loop.mcfunction b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/loop.mcfunction
new file mode 100644
index 0000000000..b79d883595
--- /dev/null
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/loop.mcfunction
@@ -0,0 +1,6 @@
+# Check arrow with tag gm4_cb_ctorch
+# run from projectile/copper_torch
+# scheduled by projectile/copper_torch/loop
+
+execute as @e[tag=gm4_cb_ctorch,nbt={inGround:1b}] at @s run function gm4_crossbow_cartridges:projectile/copper_torch/check
+execute if entity @e[tag=gm4_cb_ctorch,limit=1] run schedule function gm4_crossbow_cartridges:projectile/copper_torch/loop 4t
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/place.mcfunction b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/place.mcfunction
new file mode 100644
index 0000000000..f968a8f2c7
--- /dev/null
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/copper_torch/place.mcfunction
@@ -0,0 +1,10 @@
+# Place copper torch on a valid adjacent block
+# @s = arrow with tag gm4_cb_ctorch, in a block
+# at @s
+# run from projectile/copper_torch/check
+
+execute positioned ~.05 ~ ~ if predicate gm4_crossbow_cartridges:check_block/east run setblock ~-.1 ~ ~ minecraft:copper_wall_torch[facing=west]
+execute positioned ~ ~ ~.05 if predicate gm4_crossbow_cartridges:check_block/south run setblock ~ ~ ~-.1 minecraft:copper_wall_torch[facing=north]
+execute positioned ~-.05 ~ ~ if predicate gm4_crossbow_cartridges:check_block/west run setblock ~.1 ~ ~ minecraft:copper_wall_torch[facing=east]
+execute positioned ~ ~ ~-.05 if predicate gm4_crossbow_cartridges:check_block/north run setblock ~ ~ ~.1 minecraft:copper_wall_torch[facing=south]
+execute positioned ~ ~-.05 ~ if predicate gm4_crossbow_cartridges:check_block/below run setblock ~ ~.1 ~ minecraft:copper_torch
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/predicate/items/copper_torch.json b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/predicate/items/copper_torch.json
new file mode 100644
index 0000000000..6f62ab1ad8
--- /dev/null
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/predicate/items/copper_torch.json
@@ -0,0 +1,13 @@
+{
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "equipment": {
+      "offhand": {
+        "items": [
+          "minecraft:copper_torch"
+        ]
+      }
+    }
+  }
+}
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/tags/block/torch.json b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/tags/block/torch.json
index c83f4ba735..aac4b1bf51 100644
--- a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/tags/block/torch.json
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/tags/block/torch.json
@@ -3,8 +3,10 @@
 		"minecraft:torch",
 		"minecraft:soul_torch",
 		"minecraft:redstone_torch",
+		{"id": "minecraft:copper_torch", "required": false},
 		"minecraft:wall_torch",
 		"minecraft:soul_wall_torch",
-		"minecraft:redstone_wall_torch"
+		"minecraft:redstone_wall_torch",
+		{"id": "minecraft:copper_wall_torch", "required": false}
 	]
 }
diff --git a/gm4_desire_lines/data/gm4/tags/item/boots.json b/gm4_desire_lines/data/gm4/tags/item/boots.json
deleted file mode 100644
index 6e94be5e38..0000000000
--- a/gm4_desire_lines/data/gm4/tags/item/boots.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "values": [
-    "minecraft:netherite_boots",
-    "minecraft:diamond_boots",
-    "minecraft:golden_boots",
-    "minecraft:chainmail_boots",
-    "minecraft:iron_boots",
-    "minecraft:leather_boots"
-  ]
-}
diff --git a/gm4_desire_lines/data/gm4_celaro_shamir/predicate/shamir_active.json b/gm4_desire_lines/data/gm4_celaro_shamir/predicate/shamir_active.json
index 0a924ec8de..46c5da00f3 100644
--- a/gm4_desire_lines/data/gm4_celaro_shamir/predicate/shamir_active.json
+++ b/gm4_desire_lines/data/gm4_celaro_shamir/predicate/shamir_active.json
@@ -4,7 +4,7 @@
   "predicate": {
     "equipment": {
       "feet": {
-        "items": "#gm4:boots",
+        "items": "#minecraft:foot_armor",
         "predicates": {
           "minecraft:custom_data": "{gm4_metallurgy:{active_shamir:\"celaro\"}}"
         }
diff --git a/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/init_scoreboards.mcfunction b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/init_scoreboards.mcfunction
new file mode 100644
index 0000000000..fbc4d71983
--- /dev/null
+++ b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/init_scoreboards.mcfunction
@@ -0,0 +1,13 @@
+# @s = unspecified
+# at = unspecified
+# run from gm4_metallurgy:init
+
+scoreboard objectives add gm4_use_axe_net minecraft.used:minecraft.netherite_axe
+scoreboard objectives add gm4_use_axe_dia minecraft.used:minecraft.diamond_axe
+scoreboard objectives add gm4_use_axe_gol minecraft.used:minecraft.golden_axe
+scoreboard objectives add gm4_use_axe_iro minecraft.used:minecraft.iron_axe
+scoreboard objectives add gm4_use_axe_sto minecraft.used:minecraft.stone_axe
+scoreboard objectives add gm4_use_axe_woo minecraft.used:minecraft.wooden_axe
+scoreboard objectives add gm4_arb_depth dummy
+scoreboard objectives add gm4_arb_data dummy
+scoreboard players set #1 gm4_arb_data 1
diff --git a/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/analyze_axe.mcfunction b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/analyze_axe.mcfunction
new file mode 100644
index 0000000000..a956ef2250
--- /dev/null
+++ b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/analyze_axe.mcfunction
@@ -0,0 +1,26 @@
+# Calculates the speed of the axe used to break blocks.
+# @s = player that just used an axe with arborenda
+# at @s
+# run from gm4_arborenda:player/chop
+
+# safe axe nbt (also used to calculate unbreaking numbers in gm4_arborenda_shamir:player/modify_axe_durability)
+data modify storage gm4_arborenda_shamir:temp tool set from entity @s SelectedItem
+
+# set base material speed / breaking delay between block breaks
+execute if score @s gm4_use_axe_net matches 1.. run scoreboard players set $axe_delay gm4_arb_data 5
+execute if score @s gm4_use_axe_dia matches 1.. run scoreboard players set $axe_delay gm4_arb_data 6
+execute if score @s gm4_use_axe_gol matches 1.. run scoreboard players set $axe_delay gm4_arb_data 3
+execute if score @s gm4_use_axe_iro matches 1.. run scoreboard players set $axe_delay gm4_arb_data 8
+execute if score @s gm4_use_axe_sto matches 1.. run scoreboard players set $axe_delay gm4_arb_data 13
+execute if score @s gm4_use_axe_woo matches 1.. run scoreboard players set $axe_delay gm4_arb_data 22
+
+# efficiency bonus (simplified formula, does not match vanilla)
+execute store result score $efficiency_level gm4_arb_data run data get storage gm4_arborenda_shamir:temp tool.components."minecraft:enchantments"."minecraft:efficiency"
+scoreboard players operation $axe_delay gm4_arb_data -= $efficiency_level gm4_arb_data
+
+# limit to min delay of 1 tick between block breaks
+scoreboard players operation $axe_delay gm4_arb_data > #1 gm4_arb_data
+
+# calculate max depth
+scoreboard players set $max_depth gm4_arb_data 32
+scoreboard players operation $max_depth gm4_arb_data *= $axe_delay gm4_arb_data
diff --git a/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/check_for_axe.mcfunction b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/check_for_axe.mcfunction
new file mode 100644
index 0000000000..11d23e047e
--- /dev/null
+++ b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/check_for_axe.mcfunction
@@ -0,0 +1,17 @@
+# Checks whether the player has used an arborenda axe.
+# @s = all players
+# at world spawn
+# run from gm4_metallurgy:tick
+
+execute if entity @s[scores={gm4_use_axe_net=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
+execute if entity @s[scores={gm4_use_axe_dia=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
+execute if entity @s[scores={gm4_use_axe_gol=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
+execute if entity @s[scores={gm4_use_axe_iro=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
+execute if entity @s[scores={gm4_use_axe_sto=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
+execute if entity @s[scores={gm4_use_axe_woo=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
+scoreboard players reset @s gm4_use_axe_net
+scoreboard players reset @s gm4_use_axe_dia
+scoreboard players reset @s gm4_use_axe_gol
+scoreboard players reset @s gm4_use_axe_iro
+scoreboard players reset @s gm4_use_axe_sto
+scoreboard players reset @s gm4_use_axe_woo
diff --git a/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/modify_axe_durability.mcfunction b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/modify_axe_durability.mcfunction
new file mode 100644
index 0000000000..24d5cba6c8
--- /dev/null
+++ b/gm4_metallurgy/backport_81/data/gm4_arborenda_shamir/function/player/modify_axe_durability.mcfunction
@@ -0,0 +1,27 @@
+# Reduces the durability on an arborenda axe according to the amount of blocks broken.
+# @s = player that just used an axe with arborenda
+# at @s
+# run from gm4_arborenda:player/chop
+
+# get max damage - 1 for material type
+execute if score @s gm4_use_axe_net matches 1.. run scoreboard players set $max_damage gm4_arb_data 2030
+execute if score @s gm4_use_axe_dia matches 1.. run scoreboard players set $max_damage gm4_arb_data 1560
+execute if score @s gm4_use_axe_gol matches 1.. run scoreboard players set $max_damage gm4_arb_data 31
+execute if score @s gm4_use_axe_iro matches 1.. run scoreboard players set $max_damage gm4_arb_data 249
+execute if score @s gm4_use_axe_sto matches 1.. run scoreboard players set $max_damage gm4_arb_data 130
+execute if score @s gm4_use_axe_woo matches 1.. run scoreboard players set $max_damage gm4_arb_data 58
+
+# get unbreaking level
+execute store result score $unbreaking_level gm4_arb_data run data get storage gm4_arborenda_shamir:temp tool.components."minecraft:enchantments"."minecraft:unbreaking"
+scoreboard players add $unbreaking_level gm4_arb_data 1
+scoreboard players set $damage_chance gm4_arb_data 100
+scoreboard players operation $damage_chance gm4_arb_data /= $unbreaking_level gm4_arb_data
+
+# calclulate and apply damage
+execute store result score $current_damage gm4_arb_data run data get storage gm4_arborenda_shamir:temp tool.components."minecraft:damage"
+execute store result score $incoming_damage gm4_arb_data run loot spawn ~ -4096 ~ loot gm4_arborenda_shamir:roll_binomial_distribution
+scoreboard players operation $current_damage gm4_arb_data += $incoming_damage gm4_arb_data
+scoreboard players operation $current_damage gm4_arb_data < $max_damage gm4_arb_data
+
+execute store result storage gm4_arborenda_shamir:temp damage int 1 run scoreboard players get $current_damage gm4_arb_data
+function gm4_arborenda_shamir:player/set_damage with storage gm4_arborenda_shamir:temp
diff --git a/gm4_metallurgy/backport_81/data/gm4_moneo_shamir/function/store_maximum.mcfunction b/gm4_metallurgy/backport_81/data/gm4_moneo_shamir/function/store_maximum.mcfunction
new file mode 100644
index 0000000000..7ae08dd796
--- /dev/null
+++ b/gm4_metallurgy/backport_81/data/gm4_moneo_shamir/function/store_maximum.mcfunction
@@ -0,0 +1,42 @@
+# run from #gm4_metallurgy:apply_band
+# @s = moneo tool item
+
+# used by Audere Shamir as well
+execute if items entity @s contents minecraft:wooden_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 59
+execute if items entity @s contents minecraft:wooden_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 59
+execute if items entity @s contents minecraft:wooden_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 59
+execute if items entity @s contents minecraft:wooden_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 59
+
+execute if items entity @s contents minecraft:stone_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 131
+execute if items entity @s contents minecraft:stone_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 131
+execute if items entity @s contents minecraft:stone_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 131
+execute if items entity @s contents minecraft:stone_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 131
+
+execute if items entity @s contents minecraft:copper_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+execute if items entity @s contents minecraft:copper_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+execute if items entity @s contents minecraft:copper_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+execute if items entity @s contents minecraft:copper_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+
+execute if items entity @s contents minecraft:iron_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 250
+execute if items entity @s contents minecraft:iron_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 250
+execute if items entity @s contents minecraft:iron_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 250
+execute if items entity @s contents minecraft:iron_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 250
+
+execute if items entity @s contents minecraft:diamond_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 1561
+execute if items entity @s contents minecraft:diamond_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 1561
+execute if items entity @s contents minecraft:diamond_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 1561
+execute if items entity @s contents minecraft:diamond_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 1561
+
+execute if items entity @s contents minecraft:netherite_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 2031
+execute if items entity @s contents minecraft:netherite_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 2031
+execute if items entity @s contents minecraft:netherite_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 2031
+execute if items entity @s contents minecraft:netherite_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 2031
+
+execute if items entity @s contents minecraft:golden_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
+execute if items entity @s contents minecraft:golden_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
+execute if items entity @s contents minecraft:golden_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
+execute if items entity @s contents minecraft:golden_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
+
+execute if items entity @s contents minecraft:shears run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 237
+
+execute if items entity @s contents minecraft:elytra run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 432
diff --git a/gm4_metallurgy/beet.yaml b/gm4_metallurgy/beet.yaml
index 0e48265243..5f6f2b542b 100644
--- a/gm4_metallurgy/beet.yaml
+++ b/gm4_metallurgy/beet.yaml
@@ -4,6 +4,13 @@ version: 1.7.X
 
 data_pack:
   load: .
+  overlays:
+    - formats:
+        min_inclusive: 0
+        max_inclusive: 81
+      min_format: 0
+      max_format: 81
+      directory: backport_81
 
 resource_pack:
   load: .
diff --git a/gm4_metallurgy/data/gm4/tags/item/boots.json b/gm4_metallurgy/data/gm4/tags/item/boots.json
deleted file mode 100644
index 6e94be5e38..0000000000
--- a/gm4_metallurgy/data/gm4/tags/item/boots.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "values": [
-    "minecraft:netherite_boots",
-    "minecraft:diamond_boots",
-    "minecraft:golden_boots",
-    "minecraft:chainmail_boots",
-    "minecraft:iron_boots",
-    "minecraft:leather_boots"
-  ]
-}
diff --git a/gm4_metallurgy/data/gm4_arborenda_shamir/function/init_scoreboards.mcfunction b/gm4_metallurgy/data/gm4_arborenda_shamir/function/init_scoreboards.mcfunction
new file mode 100644
index 0000000000..e1c63f7066
--- /dev/null
+++ b/gm4_metallurgy/data/gm4_arborenda_shamir/function/init_scoreboards.mcfunction
@@ -0,0 +1,14 @@
+# @s = unspecified
+# at = unspecified
+# run from gm4_metallurgy:init
+
+scoreboard objectives add gm4_use_axe_net minecraft.used:minecraft.netherite_axe
+scoreboard objectives add gm4_use_axe_dia minecraft.used:minecraft.diamond_axe
+scoreboard objectives add gm4_use_axe_gol minecraft.used:minecraft.golden_axe
+scoreboard objectives add gm4_use_axe_iro minecraft.used:minecraft.iron_axe
+scoreboard objectives add gm4_use_axe_cop minecraft.used:minecraft.copper_axe
+scoreboard objectives add gm4_use_axe_sto minecraft.used:minecraft.stone_axe
+scoreboard objectives add gm4_use_axe_woo minecraft.used:minecraft.wooden_axe
+scoreboard objectives add gm4_arb_depth dummy
+scoreboard objectives add gm4_arb_data dummy
+scoreboard players set #1 gm4_arb_data 1
diff --git a/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/analyze_axe.mcfunction b/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/analyze_axe.mcfunction
index a956ef2250..1b0f4dda07 100644
--- a/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/analyze_axe.mcfunction
+++ b/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/analyze_axe.mcfunction
@@ -11,6 +11,7 @@ execute if score @s gm4_use_axe_net matches 1.. run scoreboard players set $axe_
 execute if score @s gm4_use_axe_dia matches 1.. run scoreboard players set $axe_delay gm4_arb_data 6
 execute if score @s gm4_use_axe_gol matches 1.. run scoreboard players set $axe_delay gm4_arb_data 3
 execute if score @s gm4_use_axe_iro matches 1.. run scoreboard players set $axe_delay gm4_arb_data 8
+execute if score @s gm4_use_axe_cop matches 1.. run scoreboard players set $axe_delay gm4_arb_data 10
 execute if score @s gm4_use_axe_sto matches 1.. run scoreboard players set $axe_delay gm4_arb_data 13
 execute if score @s gm4_use_axe_woo matches 1.. run scoreboard players set $axe_delay gm4_arb_data 22
 
diff --git a/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/check_for_axe.mcfunction b/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/check_for_axe.mcfunction
index 11d23e047e..514285705c 100644
--- a/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/check_for_axe.mcfunction
+++ b/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/check_for_axe.mcfunction
@@ -6,12 +6,14 @@
 execute if entity @s[scores={gm4_use_axe_net=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
 execute if entity @s[scores={gm4_use_axe_dia=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
 execute if entity @s[scores={gm4_use_axe_gol=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
+execute if entity @s[scores={gm4_use_axe_cop=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
 execute if entity @s[scores={gm4_use_axe_iro=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
 execute if entity @s[scores={gm4_use_axe_sto=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
 execute if entity @s[scores={gm4_use_axe_woo=1..},predicate=gm4_metallurgy:arborenda_active] at @s run function gm4_arborenda_shamir:player/chop
 scoreboard players reset @s gm4_use_axe_net
 scoreboard players reset @s gm4_use_axe_dia
 scoreboard players reset @s gm4_use_axe_gol
+scoreboard players reset @s gm4_use_axe_cop
 scoreboard players reset @s gm4_use_axe_iro
 scoreboard players reset @s gm4_use_axe_sto
 scoreboard players reset @s gm4_use_axe_woo
diff --git a/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/modify_axe_durability.mcfunction b/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/modify_axe_durability.mcfunction
index 979b68e605..e30fbc0369 100644
--- a/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/modify_axe_durability.mcfunction
+++ b/gm4_metallurgy/data/gm4_arborenda_shamir/function/player/modify_axe_durability.mcfunction
@@ -3,11 +3,12 @@
 # at @s
 # run from gm4_arborenda:player/chop
 
-# get max damage for material type
+# get max damage - 1 for material type
 execute if score @s gm4_use_axe_net matches 1.. run scoreboard players set $max_damage gm4_arb_data 2030
 execute if score @s gm4_use_axe_dia matches 1.. run scoreboard players set $max_damage gm4_arb_data 1560
-execute if score @s gm4_use_axe_gol matches 1.. run scoreboard players set $max_damage gm4_arb_data 32
+execute if score @s gm4_use_axe_gol matches 1.. run scoreboard players set $max_damage gm4_arb_data 31
 execute if score @s gm4_use_axe_iro matches 1.. run scoreboard players set $max_damage gm4_arb_data 249
+execute if score @s gm4_use_axe_cop matches 1.. run scoreboard players set $max_damage gm4_arb_data 189
 execute if score @s gm4_use_axe_sto matches 1.. run scoreboard players set $max_damage gm4_arb_data 130
 execute if score @s gm4_use_axe_woo matches 1.. run scoreboard players set $max_damage gm4_arb_data 58
 
diff --git a/gm4_metallurgy/data/gm4_gemini_shamir/function/breed/check_allay.mcfunction b/gm4_metallurgy/data/gm4_gemini_shamir/function/breed/check_allay.mcfunction
index 68746dbb55..bab2d87dbe 100644
--- a/gm4_metallurgy/data/gm4_gemini_shamir/function/breed/check_allay.mcfunction
+++ b/gm4_metallurgy/data/gm4_gemini_shamir/function/breed/check_allay.mcfunction
@@ -1,5 +1,5 @@
 # run from breed_allay.json (advancement)
 # @s = player who has bred a mob
 
-execute if predicate gm4_gemini_shamir:holding_gemini as @e[type=allay,distance=..10,limit=1,sort=nearest,nbt={DuplicationCooldown:6000L}] at @s run summon allay ~ ~ ~ {DuplicationCooldown:6000L,CanDuplicate:0b}
+execute if predicate gm4_gemini_shamir:holding_gemini as @e[type=allay,distance=..10,limit=1,sort=nearest,nbt={DuplicationCooldown:6000L}] at @s run summon allay ~ ~ ~ {DuplicationCooldown:6000L}
 advancement revoke @s only gm4_gemini_shamir:breed_allay
diff --git a/gm4_metallurgy/data/gm4_metallurgy/function/init.mcfunction b/gm4_metallurgy/data/gm4_metallurgy/function/init.mcfunction
index 0adfcc9b53..8a5b24f60c 100644
--- a/gm4_metallurgy/data/gm4_metallurgy/function/init.mcfunction
+++ b/gm4_metallurgy/data/gm4_metallurgy/function/init.mcfunction
@@ -7,15 +7,7 @@ scoreboard objectives add gm4_ml_ore_bi dummy
 scoreboard objectives add gm4_ml_ore_th dummy
 
 #arborenda
-scoreboard objectives add gm4_use_axe_net minecraft.used:minecraft.netherite_axe
-scoreboard objectives add gm4_use_axe_dia minecraft.used:minecraft.diamond_axe
-scoreboard objectives add gm4_use_axe_gol minecraft.used:minecraft.golden_axe
-scoreboard objectives add gm4_use_axe_iro minecraft.used:minecraft.iron_axe
-scoreboard objectives add gm4_use_axe_sto minecraft.used:minecraft.stone_axe
-scoreboard objectives add gm4_use_axe_woo minecraft.used:minecraft.wooden_axe
-scoreboard objectives add gm4_arb_depth dummy
-scoreboard objectives add gm4_arb_data dummy
-scoreboard players set #1 gm4_arb_data 1
+function gm4_arborenda_shamir:init_scoreboards
 #declare gm4_arborenda_shamir:temp
 
 #ender_bolt
diff --git a/gm4_metallurgy/data/gm4_metallurgy/predicate/vibro_active.json b/gm4_metallurgy/data/gm4_metallurgy/predicate/vibro_active.json
index c9a844a875..14bf7dfa05 100644
--- a/gm4_metallurgy/data/gm4_metallurgy/predicate/vibro_active.json
+++ b/gm4_metallurgy/data/gm4_metallurgy/predicate/vibro_active.json
@@ -4,7 +4,7 @@
   "predicate": {
     "equipment": {
       "feet": {
-        "items": "#gm4:boots",
+        "items": "#minecraft:foot_armor",
         "predicates": {
           "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'vibro'}}"
         }
diff --git a/gm4_metallurgy/data/gm4_moneo_shamir/function/active_tool.mcfunction b/gm4_metallurgy/data/gm4_moneo_shamir/function/active_tool.mcfunction
index 3c8fb388ca..e8c439dc64 100644
--- a/gm4_metallurgy/data/gm4_moneo_shamir/function/active_tool.mcfunction
+++ b/gm4_metallurgy/data/gm4_moneo_shamir/function/active_tool.mcfunction
@@ -13,8 +13,10 @@ execute if score $tool_max_damage gm4_ml_data matches 1561 if predicate gm4_mone
 # activate moneo
 execute if score $tool_max_damage gm4_ml_data matches 59 run function gm4_moneo_shamir:tools/materials/wood
 execute if score $tool_max_damage gm4_ml_data matches 131 run function gm4_moneo_shamir:tools/materials/stone
+execute if score $tool_max_damage gm4_ml_data matches 190 run function gm4_moneo_shamir:tools/materials/copper
 execute if score $tool_max_damage gm4_ml_data matches 250 run function gm4_moneo_shamir:tools/materials/iron
 execute if score $tool_max_damage gm4_ml_data matches 1561 run function gm4_moneo_shamir:tools/materials/diamond
 execute if score $tool_max_damage gm4_ml_data matches 2031 run function gm4_moneo_shamir:tools/materials/netherite
-execute if score $tool_max_damage gm4_ml_data matches 33 run function gm4_moneo_shamir:tools/materials/gold
+# | gold used to be listed as 33 max damage, this is kept for compatibility with old items
+execute if score $tool_max_damage gm4_ml_data matches 32..33 run function gm4_moneo_shamir:tools/materials/gold
 execute if score $tool_max_damage gm4_ml_data matches 237 run function gm4_moneo_shamir:tools/shears
diff --git a/gm4_metallurgy/data/gm4_moneo_shamir/function/store_maximum.mcfunction b/gm4_metallurgy/data/gm4_moneo_shamir/function/store_maximum.mcfunction
index 513e5ccb10..7ae08dd796 100644
--- a/gm4_metallurgy/data/gm4_moneo_shamir/function/store_maximum.mcfunction
+++ b/gm4_metallurgy/data/gm4_moneo_shamir/function/store_maximum.mcfunction
@@ -1,6 +1,7 @@
 # run from #gm4_metallurgy:apply_band
 # @s = moneo tool item
 
+# used by Audere Shamir as well
 execute if items entity @s contents minecraft:wooden_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 59
 execute if items entity @s contents minecraft:wooden_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 59
 execute if items entity @s contents minecraft:wooden_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 59
@@ -11,6 +12,11 @@ execute if items entity @s contents minecraft:stone_pickaxe run data modify enti
 execute if items entity @s contents minecraft:stone_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 131
 execute if items entity @s contents minecraft:stone_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 131
 
+execute if items entity @s contents minecraft:copper_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+execute if items entity @s contents minecraft:copper_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+execute if items entity @s contents minecraft:copper_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+execute if items entity @s contents minecraft:copper_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 190
+
 execute if items entity @s contents minecraft:iron_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 250
 execute if items entity @s contents minecraft:iron_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 250
 execute if items entity @s contents minecraft:iron_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 250
@@ -26,10 +32,10 @@ execute if items entity @s contents minecraft:netherite_pickaxe run data modify
 execute if items entity @s contents minecraft:netherite_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 2031
 execute if items entity @s contents minecraft:netherite_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 2031
 
-execute if items entity @s contents minecraft:golden_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 33
-execute if items entity @s contents minecraft:golden_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 33
-execute if items entity @s contents minecraft:golden_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 33
-execute if items entity @s contents minecraft:golden_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 33
+execute if items entity @s contents minecraft:golden_shovel run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
+execute if items entity @s contents minecraft:golden_pickaxe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
+execute if items entity @s contents minecraft:golden_hoe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
+execute if items entity @s contents minecraft:golden_axe run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 32
 
 execute if items entity @s contents minecraft:shears run data modify entity @s Item.components."minecraft:custom_data".MaxDurability set value 237
 
diff --git a/gm4_metallurgy/data/gm4_moneo_shamir/function/tools/materials/copper.mcfunction b/gm4_metallurgy/data/gm4_moneo_shamir/function/tools/materials/copper.mcfunction
new file mode 100644
index 0000000000..dc57284f80
--- /dev/null
+++ b/gm4_metallurgy/data/gm4_moneo_shamir/function/tools/materials/copper.mcfunction
@@ -0,0 +1,8 @@
+# run from active_tool
+# @s = player holding the moneo tool
+
+scoreboard players operation $tool_max_damage gm4_ml_data -= $tool_current_damage gm4_ml_data
+
+execute if score $tool_max_damage gm4_ml_data matches 16..30 run effect give @s minecraft:mining_fatigue 2 0
+execute if score $tool_max_damage gm4_ml_data matches ..30 at @s run playsound minecraft:block.lantern.hit master @s ~ ~ ~ 5 1
+execute if score $tool_max_damage gm4_ml_data matches ..15 run effect give @s minecraft:mining_fatigue 2 1
diff --git a/gm4_metallurgy/data/gm4_vibro_shamir/advancement/vibro_fall_damage.json b/gm4_metallurgy/data/gm4_vibro_shamir/advancement/vibro_fall_damage.json
index 0a26f74435..ee5875a512 100644
--- a/gm4_metallurgy/data/gm4_vibro_shamir/advancement/vibro_fall_damage.json
+++ b/gm4_metallurgy/data/gm4_vibro_shamir/advancement/vibro_fall_damage.json
@@ -24,7 +24,7 @@
               },
               "equipment": {
                 "feet": {
-                  "items": "#gm4:boots",
+                  "items": "#minecraft:foot_armor",
                   "predicates": {
                     "minecraft:custom_data": "{gm4_metallurgy:{active_shamir:'vibro'}}"
                   }
diff --git a/gm4_metallurgy/shamir_model_template.py b/gm4_metallurgy/shamir_model_template.py
index 7ea27736c5..1efd85fd89 100644
--- a/gm4_metallurgy/shamir_model_template.py
+++ b/gm4_metallurgy/shamir_model_template.py
@@ -12,8 +12,8 @@
 
 parent_logger = logging.getLogger("gm4."+__name__)
 
-TOOL_MATERIALS = ["wooden", "stone", "iron", "golden", "diamond", "netherite"]
-ARMOR_MATERIALS = ["leather", "chainmail", "iron", "golden", "diamond", "netherite"]
+TOOL_MATERIALS = ["wooden", "stone", "copper", "iron", "golden", "diamond", "netherite"]
+ARMOR_MATERIALS = ["leather", "copper", "chainmail", "iron", "golden", "diamond", "netherite"]
 TOOLS = ["axe", "hoe", "pickaxe", "shovel"]
 ARMOR = ["boots", "chestplate", "helmet", "leggings"]
 BUCKETABLE = ["water", "lava", "milk", "powder_snow", "cod", "salmon", "pufferfish", "tropical_fish", "tadpole", "axolotl"]
@@ -221,7 +221,7 @@ def beet_default(ctx: Context):
     # bind context object to a ClassVar so it can be accessed later during template processing
     ShamirTemplate.bound_ctx = ctx
     vanilla = ctx.inject(Vanilla)
-    vanilla.minecraft_version = '1.21.5'
+    vanilla.minecraft_version = '1.21.9'
     ShamirTemplate.vanilla_models_jar = vanilla.mount("assets/minecraft/items")
     merge_policy(ctx)
 
diff --git a/gm4_vecto_shamir/data/gm4/tags/item/boots.json b/gm4_vecto_shamir/data/gm4/tags/item/boots.json
deleted file mode 100644
index 6e94be5e38..0000000000
--- a/gm4_vecto_shamir/data/gm4/tags/item/boots.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "values": [
-    "minecraft:netherite_boots",
-    "minecraft:diamond_boots",
-    "minecraft:golden_boots",
-    "minecraft:chainmail_boots",
-    "minecraft:iron_boots",
-    "minecraft:leather_boots"
-  ]
-}
diff --git a/gm4_vecto_shamir/data/gm4_vecto_shamir/predicate/sneak_validblock.json b/gm4_vecto_shamir/data/gm4_vecto_shamir/predicate/sneak_validblock.json
index 46c4811539..8ad16caaa8 100644
--- a/gm4_vecto_shamir/data/gm4_vecto_shamir/predicate/sneak_validblock.json
+++ b/gm4_vecto_shamir/data/gm4_vecto_shamir/predicate/sneak_validblock.json
@@ -8,7 +8,7 @@
       },
       "equipment": {
         "feet": {
-          "items": "#gm4:boots",
+          "items": "#minecraft:foot_armor",
           "predicates": {
             "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'vecto'}}"
           }