{
  "parent": "twilightforest:alt/root",
  "criteria": {
    "ingredient": { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:naga_scale"      }]}},
    "chestplate": { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:naga_chestplate" }]}},
    "leggings"  : { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:naga_leggings"   }]}}
  },
  "requirements": [
    [ "ingredient", "chestplate", "leggings" ]
  ]
}