diff --git a/kubejs/server_scripts/primitive_creatures/loot.js b/kubejs/server_scripts/primitive_creatures/loot.js
index 6fe326204..88437f280 100644
--- a/kubejs/server_scripts/primitive_creatures/loot.js
+++ b/kubejs/server_scripts/primitive_creatures/loot.js
@@ -35,7 +35,7 @@ function registerPrimitiveCreaturesLoots(event) {
 			Item.of('tfc:food/strawberry', 4),
 			Item.of('tfc:food/wintergreen_berry', 5)])
 		.addAlternativesLoot(
-			LootEntry.of('gtceu:cobalt_brass_hoe').damage([0.2, 0.5]).when(c => c.randomChance(0.1)),
+			LootEntry.of('gtceu:arsenic_bronze_hoe').damage([0.2, 0.5]).when(c => c.randomChance(0.1)),
 			LootEntry.of('sns:straw_basket').when(c => c.randomChance(0.3)),
 			LootEntry.of('primitive_creatures:totem_0').when(c => c.randomChance(0.05)),
 			LootEntry.of('primitive_creatures:totem_3').when(c => c.randomChance(0.05)),
@@ -54,7 +54,7 @@ function registerPrimitiveCreaturesLoots(event) {
 		.addWeightedLoot([2, 3], ['tfg:food/raw_long_pig_filet'])
 		.addWeightedLoot([3, 4], ['gtceu:tricalcium_phosphate_dust'])
 		.addAlternativesLoot(
-			LootEntry.of('gtceu:cobalt_brass_knife').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
+			LootEntry.of('gtceu:arsenic_bronze_knife').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
 			LootEntry.of('primitive_creatures:totem_0').when(c => c.randomChance(0.05)),
 			LootEntry.of('primitive_creatures:totem_3').when(c => c.randomChance(0.05)),
 			LootEntry.of('firmalife:beeswax'))
@@ -73,7 +73,7 @@ function registerPrimitiveCreaturesLoots(event) {
 		.addWeightedLoot([0, 2], ['minecraft:flint'])
 		.addWeightedLoot([1, 3], ['minecraft:bone'])
 		.addAlternativesLoot(
-			LootEntry.of('gtceu:cobalt_brass_shovel').damage([0.2, 0.5]).when(c => c.randomChance(0.5)),
+			LootEntry.of('gtceu:arsenic_bronze_shovel').damage([0.2, 0.5]).when(c => c.randomChance(0.5)),
 			LootEntry.of('minecraft:skeleton_skull').when(c => c.randomChance(0.3)),
 			LootEntry.of('primitive_creatures:grh')) // battered wool
 	event.addEntityLootModifier('primitive_creatures:iloger_3')
@@ -129,7 +129,7 @@ function registerPrimitiveCreaturesLoots(event) {
 		.addWeightedLoot([1, 2], ['primitive_creatures:f_1']) // primitive explosives
 		.addWeightedLoot([2, 4], ['minecraft:gunpowder'])
 		.addAlternativesLoot(
-			LootEntry.of('gtceu:cobalt_brass_mortar').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
+			LootEntry.of('gtceu:arsenic_bronze_hoe').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
 			LootEntry.of('primitive_creatures:totem_2').when(c => c.randomChance(0.05)),
 			LootEntry.of('primitive_creatures:totem_3').when(c => c.randomChance(0.05)),
 			LootEntry.of('primitive_creatures:grh')) // battered wool
@@ -147,7 +147,7 @@ function registerPrimitiveCreaturesLoots(event) {
 		.addWeightedLoot([2, 3], ['tfg:food/raw_long_pig_filet'])
 		.addWeightedLoot([0, 2], ['primitive_creatures:grh']) // battered wool
 		.addAlternativesLoot(
-			LootEntry.of('gtceu:cobalt_brass_butchery_knife').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
+			LootEntry.of('gtceu:arsenic_bronze_butchery_knife').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
 			LootEntry.of('primitive_creatures:totem_0').when(c => c.randomChance(0.05)),
 			LootEntry.of('primitive_creatures:totem_3').when(c => c.randomChance(0.05)),
 			LootEntry.of('minecraft:lead'))
@@ -181,7 +181,7 @@ function registerPrimitiveCreaturesLoots(event) {
 		.addWeightedLoot([2, 3], ['tfg:food/raw_long_pig_filet'])
 		.addWeightedLoot([2, 4], ['minecraft:emerald'])
 		.addAlternativesLoot(
-			LootEntry.of('gtceu:cobalt_brass_knife').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
+			LootEntry.of('gtceu:arsenic_bronze_knife').damage([0.2, 0.5]).when(c => c.randomChance(0.3)),
 			LootEntry.of('primitive_creatures:totem_2').when(c => c.randomChance(0.05)),
 			LootEntry.of('primitive_creatures:totem_3').when(c => c.randomChance(0.05)),
 			LootEntry.of('primitive_creatures:grh'))  // battered wool)
@@ -198,10 +198,10 @@ function registerPrimitiveCreaturesLoots(event) {
 		.removeLoot(ItemFilter.ALWAYS_TRUE)
 		.addWeightedLoot([2, 3], ['tfg:food/raw_long_pig_filet'])
 		.addWeightedLoot([
-			Item.of('gtceu:cobalt_brass_spade', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{AoEColumn:1,AoELayer:0,AoERow:1,MaxAoEColumn:1,MaxAoELayer:0,MaxAoERow:1},GT.Tool:{AttackDamage:3.5f,AttackSpeed:-3.4f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:18431,ToolSpeed:5.0f},HideFlags:2}'),
-			Item.of('gtceu:cobalt_brass_scythe', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{AoEColumn:2,AoELayer:2,AoERow:2,MaxAoEColumn:2,MaxAoELayer:2,MaxAoERow:2},GT.Tool:{AttackDamage:7.0f,AttackSpeed:-3.2f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:18431,ToolSpeed:6.5f},HideFlags:2}'),
-			Item.of('gtceu:cobalt_brass_mining_hammer', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{AoEColumn:1,AoELayer:0,AoERow:1,MaxAoEColumn:1,MaxAoELayer:0,MaxAoERow:1,TorchPlacing:1b},GT.Tool:{AttackDamage:3.5f,AttackSpeed:-3.4f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:18431,ToolSpeed:5.0f},HideFlags:2}'),
-			Item.of('gtceu:cobalt_brass_sword')])
+			Item.of('gtceu:arsenic_bronze_spade', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{AoEColumn:1,AoELayer:0,AoERow:1,MaxAoEColumn:1,MaxAoELayer:0,MaxAoERow:1},GT.Tool:{AttackDamage:3.5f,AttackSpeed:-3.4f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:18431,ToolSpeed:5.0f},HideFlags:2}'),
+			Item.of('gtceu:arsenic_bronze_scythe', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{AoEColumn:2,AoELayer:2,AoERow:2,MaxAoEColumn:2,MaxAoELayer:2,MaxAoERow:2},GT.Tool:{AttackDamage:7.0f,AttackSpeed:-3.2f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:18431,ToolSpeed:6.5f},HideFlags:2}'),
+			Item.of('gtceu:arsenic_bronze_mining_hammer', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{AoEColumn:1,AoELayer:0,AoERow:1,MaxAoEColumn:1,MaxAoELayer:0,MaxAoERow:1,TorchPlacing:1b},GT.Tool:{AttackDamage:3.5f,AttackSpeed:-3.4f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:18431,ToolSpeed:5.0f},HideFlags:2}'),
+			Item.of('gtceu:arsenic_bronze_sword')])
 	event.addEntityLootModifier('primitive_creatures:nahida')
 		.addWeightedLoot([
 			Item.of('sns:leather_sack'),
@@ -224,8 +224,8 @@ function registerPrimitiveCreaturesLoots(event) {
 		.removeLoot(ItemFilter.ALWAYS_TRUE)
 		.addWeightedLoot([2, 3], ['tfg:food/raw_long_pig_filet'])
 		.addWeightedLoot([
-			Item.of('gtceu:cobalt_brass_sword'),
-			Item.of('gtceu:cobalt_brass_axe', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{DisableShields:1b,TreeFelling:1b},GT.Tool:{AttackDamage:7.0f,AttackSpeed:-3.4f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:6143,ToolSpeed:4.5f},HideFlags:2}'),
+			Item.of('gtceu:arsenic_bronze_sword'),
+			Item.of('gtceu:arsenic_bronze_axe', '{Damage:0,DisallowContainerItem:0b,GT.Behaviours:{DisableShields:1b,TreeFelling:1b},GT.Tool:{AttackDamage:7.0f,AttackSpeed:-3.4f,DefaultEnchantments:[],HarvestLevel:2,MaxDamage:6143,ToolSpeed:4.5f},HideFlags:2}'),
 			LootEntry.of('sns:burlap_sack'),
 			LootEntry.of('sns:seed_pouch'),
 			LootEntry.of('sns:ore_sack')])
diff --git a/kubejs/startup_scripts/tfg/materials/material_modification.tools.js b/kubejs/startup_scripts/tfg/materials/material_modification.tools.js
index f6270e10d..fe63eb71c 100644
--- a/kubejs/startup_scripts/tfg/materials/material_modification.tools.js
+++ b/kubejs/startup_scripts/tfg/materials/material_modification.tools.js
@@ -220,6 +220,18 @@ function registerTFGToolMaterialModification(event) {
 		GTToolType.PICKAXE,
 		GTToolType.SWORD
 	]).build());
+
+	TFGHelpers.getMaterial('arsenic_bronze').setProperty(PropertyKey.TOOL, ToolProperty.Builder.of(5.5, 4, 212, 2, [
+		GTToolType.HOE,
+		GTToolType.KNIFE,
+		GTToolType.SHOVEL,
+		GTToolType.BUTCHERY_KNIFE,
+		GTToolType.SPADE,
+		GTToolType.SCYTHE,
+		GTToolType.MINING_HAMMER,
+		GTToolType.SWORD,
+		GTToolType.AXE
+	]).build());
 	
 	// ULV
 
diff --git a/kubejs/startup_scripts/tfg/materials/materials.misc_alloys.js b/kubejs/startup_scripts/tfg/materials/materials.misc_alloys.js
index e39093149..c0c6bd588 100644
--- a/kubejs/startup_scripts/tfg/materials/materials.misc_alloys.js
+++ b/kubejs/startup_scripts/tfg/materials/materials.misc_alloys.js
@@ -7,6 +7,12 @@
 function registerTFGMiscAlloyMaterials(event) {
 	const $BlastProperty = Java.loadClass("com.gregtechceu.gtceu.api.data.chemical.material.properties.BlastProperty")
 
+	// Material used for Illager tools only
+	event.create('tfg:arsenic_bronze')
+		.components('1x arsenic', '1x tin', '8x copper')
+		.color(0xE76848)
+		.iconSet('metallic')
+
 	// EV New Material
 
 	event.create('tfg:tungsten_bismuth_oxide_composite')
diff --git a/kubejs/startup_scripts/tfg/tag_prefixes.js b/kubejs/startup_scripts/tfg/tag_prefixes.js
index 133a36c38..d3933bb77 100644
--- a/kubejs/startup_scripts/tfg/tag_prefixes.js
+++ b/kubejs/startup_scripts/tfg/tag_prefixes.js
@@ -97,6 +97,25 @@ function registerTFGTagPrefixes(event) {
 	TagPrefix.dustTiny.setIgnored(GTMaterials.get('tfg:diamond_tipped_mo_50_re'))
 	TagPrefix.bolt.setIgnored(GTMaterials.get('tfg:diamond_tipped_mo_50_re'))
 	TagPrefix.screw.setIgnored(GTMaterials.get('tfg:diamond_tipped_mo_50_re'))
+	
+	TagPrefix.block.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TagPrefix.ingot.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TagPrefix.nugget.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TagPrefix.dust.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TagPrefix.dustSmall.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TagPrefix.dustTiny.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadSword.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadButcheryKnife.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadMiningHammer.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadSpade.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadPickaxe.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadAxe.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadShovel.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadHoe.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadHammer.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadSaw.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadScythe.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
+	TFGTagPrefix.toolHeadKnife.setIgnored(GTMaterials.get('tfg:arsenic_bronze'))
 }
 
 function excludeAllGemsButNormal(material) {