Timing is Everything

Raw Blizzard Data

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    "self": {
      "href": "https://us.api.blizzard.com/data/wow/achievement/6922?namespace=static-12.1.0_68914-us"
    }
  },
  "id": 6922,
  "category": {
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      "href": "https://us.api.blizzard.com/data/wow/achievement-category/15107?namespace=static-12.1.0_68914-us"
    },
    "name": "Pandaria Raid",
    "id": 15107
  },
  "name": "Timing is Everything",
  "description": "Defeat two Kor'thik Reavers within 10 seconds of each other, and then defeat Grand Empress Shek'zeer in Heart of Fear on Normal or Heroic difficulty.",
  "points": 10,
  "is_account_wide": false,
  "criteria": {
    "id": 27446,
    "description": "Slay 2 Kor'thik Reavers within 10 seconds of each other and then defeat Grand Empress Shek'zeer",
    "amount": 0,
    "operator": {
      "type": "AND",
      "name": "Complete All"
    },
    "child_criteria": [
      {
        "id": 30710,
        "description": "Defeat 2 Kor'thik Reavers within 10 seconds of each other",
        "amount": 2
      },
      {
        "id": 27448,
        "description": "Defeat Grand Empress Shek'zeer",
        "amount": 1
      }
    ]
  },
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  },
  "display_order": 36
}