These are all default registry entries of this type.
This registry is modify-able through datapacks.
bow
cloth_boots
cloth_chest
cloth_helmet
cloth_pants
crossbow
epic
leather_boots
leather_chest
leather_helmet
leather_pants
legendary
mythic
necklace
plate_boots
plate_chest
plate_helmet
plate_pants
rare
ring
shield
staff
sword
tome
totem
uncommon
unique