{
  "parent": "nitco:nitco/ach4",
  "display": {
    "icon": {
      "item": "minecraft:chiseled_polished_blackstone"
    },
    "title": "A Harsh Exterior",
    "description": "Complete a Nether Keep with 6 wings.",
    "frame": "challenge",
	"background": "minecraft:textures/block/polished_blackstone_bricks.png",
    "show_toast": true,
    "announce_to_chat": true,
    "hidden": false
  },
  "rewards": {
    "experience": 500
  },
  "criteria": {
    "build-6": {
      "trigger": "minecraft:impossible"
    }
  }
}