[
  {
    "group": "neptunium",
    "name": "hen-236",
    "forge_energy": 720,
    "heat": 216,
    "criticality": 35,
    "depletion": 99,
    "efficiency": 115,
    "isotopes": [236, 237]
  },
  {
    "group": "neptunium",
    "name": "len-236",
    "forge_energy": 180,
    "heat": 36,
    "criticality": 70,
    "depletion": 99,
    "efficiency": 110,
    "isotopes": [236, 237]
  }
]