Create/src/generated/resources/data/create/advancements/shadow_end.json

{
  "parent": "create:shadow_steel",
  "display": {
    "icon": {
      "item": "minecraft:oak_sapling"
    },
    "title": {
      "translate": "advancement.create.eob"
    },
    "description": {
      "translate": "advancement.create.eob.desc"
    },
    "frame": "challenge",
    "show_toast": false,
    "announce_to_chat": false,
    "hidden": false
  },
  "criteria": {
    "0": {
      "trigger": "minecraft:inventory_changed",
      "conditions": {
        "items": [
          {
            "item": "create:shadow_steel"
          }
        ]
      }
    }
  },
  "requirements": [
    [
      "0"
    ]
  ]
}