e4k-data/data/allianceBattleGroundMaps.json

All recent data from Empire: Four Kingdoms

{
  "allianceBattleGroundMap": [
    {
      "mapID": 1,
      "name": "LineBreak"
    },
    {
      "mapID": 2,
      "name": "GroundZero"
    },
    {
      "mapID": 3,
      "name": "HiddenStar"
    },
    {
      "mapID": 4,
      "name": "Wastelands"
    }
  ]
}