Raise an Army for the Hall of the Guardian

Raw Blizzard Data

{
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    "self": {
      "href": "https://us.api.blizzard.com/data/wow/achievement/60985?namespace=static-12.1.0_68914-us"
    }
  },
  "id": 60985,
  "category": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/achievement-category/15304?namespace=static-12.1.0_68914-us"
    },
    "name": "Legion Class Hall",
    "id": 15304
  },
  "name": "Raise an Army for the Hall of the Guardian",
  "description": "Recruit 20 Troops as a Mage.",
  "points": 5,
  "is_account_wide": true,
  "criteria": {
    "id": 220840,
    "description": "Recruit 20 Troops as a Mage.",
    "amount": 0,
    "operator": {
      "type": "AND",
      "name": "Complete All"
    },
    "child_criteria": [
      {
        "id": 220841,
        "description": "Recruit 20 troops.",
        "amount": 20,
        "show_progress_bar": true
      }
    ]
  },
  "reward_description": "Decor Reward: Tirisgarde War Map",
  "media": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/media/achievement/60985?namespace=static-12.1.0_68914-us"
    },
    "id": 60985
  },
  "display_order": 22
}