{
  "parent": "twilightforest:alt/root",
  "criteria": {
    "helmet"    : { "trigger": "minecraft:inventory_changed"   , "conditions": { "items": [{ "item": "twilightforest:phantom_helmet"            }]}},
    "chestplate": { "trigger": "minecraft:inventory_changed"   , "conditions": { "items": [{ "item": "twilightforest:phantom_chestplate"        }]}},
    "worn"      : { "trigger": "twilightforest:has_advancement", "conditions": { "advancement": "twilightforest:alt/treasures/phantom_armor_worn" }}
  },
  "requirements": [
    [ "helmet", "chestplate", "worn" ]
  ]
}