{
  "type": "bloodmagic:altar",
  "input": {
    "item": "bloodmagic:demonslate"
  },
  "output": {
    "item": "bloodmagic:etherealslate"
  },
  "upgradeLevel": 4,
  "altarSyphon": 30000,
  "consumptionRate": 20,
  "drainRate": 20
}