Nine, Ten, Never Sleep Again

Raw Blizzard Data

{
  "_links": {
    "self": {
      "href": "https://us.api.blizzard.com/data/wow/achievement/63454?namespace=static-12.1.0_68914-us"
    }
  },
  "id": 63454,
  "category": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/achievement-category/15605?namespace=static-12.1.0_68914-us"
    },
    "name": "Prey",
    "id": 15605
  },
  "name": "Nine, Ten, Never Sleep Again",
  "description": "Defeat Ral'kala, Terror of the Isle while on Nightmare mode or with Curse of the Isle active fifty times.",
  "points": 5,
  "is_account_wide": true,
  "criteria": {
    "id": 230647,
    "description": "12.1 Prey - Kill Ral'kala, Terror of the Isle 50 Times",
    "amount": 0,
    "operator": {
      "type": "AND",
      "name": "Complete All"
    },
    "child_criteria": [
      {
        "id": 230648,
        "description": "Ral'kala, Terror of the Isle Defeated",
        "amount": 50,
        "show_progress_bar": true
      }
    ]
  },
  "reward_description": "Decor Reward: Preyhunter's Terror Effigy",
  "prerequisite_achievement": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/achievement/63453?namespace=static-12.1.0_68914-us"
    },
    "name": "One, Two, Ral'kala's Coming for You",
    "id": 63453
  },
  "media": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/media/achievement/63454?namespace=static-12.1.0_68914-us"
    },
    "id": 63454
  },
  "display_order": 56
}