Many Many Missions, Handle It!

Raw Blizzard Data

{
  "_links": {
    "self": {
      "href": "https://us.api.blizzard.com/data/wow/achievement/11217?namespace=static-12.1.0_68914-us"
    }
  },
  "id": 11217,
  "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": "Many Many Missions, Handle It!",
  "description": "Complete 500 Class Hall Missions.",
  "points": 5,
  "is_account_wide": true,
  "criteria": {
    "id": 53188,
    "description": "Complete 500 Class Order Hall Missions.",
    "amount": 0,
    "operator": {
      "type": "AND",
      "name": "Complete All"
    },
    "child_criteria": [
      {
        "id": 53189,
        "description": "Complete 500 Class Hall Missions.",
        "amount": 500,
        "show_progress_bar": true
      }
    ]
  },
  "prerequisite_achievement": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/achievement/11216?namespace=static-12.1.0_68914-us"
    },
    "name": "So Many Missions",
    "id": 11216
  },
  "media": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/media/achievement/11217?namespace=static-12.1.0_68914-us"
    },
    "id": 11217
  },
  "display_order": 34
}