These are all the armor materials for which you can override the total defense value by adding them to the "Total armor overrides" setting inside the mod configuration.

minecraft:leather
minecraft:chainmail
minecraft:iron
minecraft:gold
minecraft:diamond
minecraft:turtle
minecraft:netherite
minecraft:armadillo
quark:backpack
immersive_armors:bone
immersive_armors:wither
immersive_armors:warrior
immersive_armors:heavy
immersive_armors:robe
immersive_armors:slime
immersive_armors:divine
immersive_armors:prismarine
immersive_armors:wooden
immersive_armors:steampunk
aeronautics:aviators_goggles
netherman:azazel_armor
minecraft:leather
create:copper
create:cardboard
nomansland:tortoise
nomansland:ancient_bronze_mask
createdeliveryrequired:numismatics_monocle
weaversparadise:armor
weaversparadise:armor
weaversparadise:armor
weaversparadise:armor
weaversparadise:armor
weaversparadise:armor
weaversparadise:armor
weaversparadise:armor
advancednetherite:netherite_iron
advancednetherite:netherite_gold
advancednetherite:netherite_emerald
advancednetherite:netherite_diamond
railways:conductor_cap_base
additionaladditions:rose_gold
spawn:booby
