{
    "anvil_cost": 8,
    "description": {
      "text": "Learned"
    },
    "effects": {
      "minecraft:block_experience":[
        {
          "effect": {
            "type": "minecraft:add",
            "value": {
              "type":"minecraft:linear",
              "base":500,
              "per_level_above_first": 500
            }
          }
        }
      ],
      "minecraft:mob_experience": [
        {
          "effect": {
            "type": "minecraft:add",
            "value": {
              "type":"minecraft:linear",
              "base":10,
              "per_level_above_first": 10
            }
          }
        }
      ]
    },
    "max_cost": {
      "base": 50,
      "per_level_above_first": 0
    },
    "max_level": 3,
    "min_cost": {
      "base": 25,
      "per_level_above_first": 0
    },
    "slots": [
      "head"
    ],
    "supported_items": "#minecraft:enchantable/head_armor",
    "exclusive_set":"#minecraft:exclusive_set/learned",
    "weight": 1
  }