{
    "primary_items": "#minecraft:enchantable/armor",
    "anvil_cost": 4,
    "description": "Growth",
    "effects": {
      "minecraft:attributes": [
        {
          "attribute": "minecraft:max_health",
          "id": "growth_max_health",
          "amount": {
            "type": "minecraft:linear",
            "base": 0.5,
            "per_level_above_first": 0.5
          },
          "operation": "add_value"
        }
      ]
    },
    "max_cost": {
      "base": 50,
      "per_level_above_first": 0
    },
    "max_level": 5,
    "min_cost": {
      "base": 20,
      "per_level_above_first": 0
    },
    "slots": [
      "armor"
    ],
    "supported_items": "#minecraft:enchantable/armor",
    "weight": 2
  }