[
  {
    "id": "K0001",
    "name": "fireball",
    "mpConsumption": 10,
    "damage": 1.2,
    "coolDown": 5,
    "slotNumber": 1,
    "requiredLevel": 1
  },
  {
    "id": "K0002",
    "name": "iceball",
    "mpConsumption": 15,
    "damage": 1.45,
    "coolDown": 15,
    "slotNumber": 2,
    "requiredLevel": 6
  },
  {
    "id": "K0003",
    "name": "darknessball",
    "mpConsumption": 15,
    "damage": 1.7,
    "coolDown": 10,
    "slotNumber": 3,
    "requiredLevel": 11
  }
]