{
    "type": "bloodmagic:altar",
    "input": { "item": "forbidden_arcanus:xpetrified_orb" },
    "output": { "item": "forbidden_arcanus:eternal_stella", "count": 1 },
    "upgradeLevel": 4,
    "altarSyphon": 50000,
    "consumptionRate": 20,
    "drainRate": 10
  }