{
  "parent": "minecraft:nether/return_to_sender",
  "display": {
    "icon": {
      "item": "minecraft:ghast_tear"
    },
    "title": {
      "translate": "advancements.nether.uneasy_alliance.title"
    },
    "description": {
      "translate": "advancements.nether.uneasy_alliance.description"
    },
    "frame": "challenge",
    "show_toast": true,
    "announce_to_chat": true,
    "hidden": false
  },
  "rewards": {
    "experience": 100
  },
  "criteria": {
    "killed_ghast": {
      "trigger": "minecraft:player_killed_entity",
      "conditions": {
        "entity": {
          "type": "minecraft:ghast",
          "location": {
            "dimension": "minecraft:overworld"
          }
        }
      }
    }
  },
  "requirements": [
    [
      "killed_ghast"
    ]
  ]
}