{
  "anvil_cost": 1,
  "description": {
    "text": "§5\uE007",
    "extra": [
      {
        "text": "§5 Efficiency",
        "font": "minecraft:illageralt"
      }
    ],
    "font": "minecraft:default"
  },
  "effects": {
    "minecraft:attributes": [
      {
        "amount": {
          "type": "minecraft:levels_squared",
          "added": 1
        },
        "attribute": "minecraft:mining_efficiency",
        "id": "minecraft:enchantment.efficiency",
        "operation": "add_value"
      }
    ]
  },
  "max_cost": {
    "base": 51,
    "per_level_above_first": 10
  },
  "max_level": 6,
  "min_cost": {
    "base": 1,
    "per_level_above_first": 10
  },
  "slots": [
    "mainhand"
  ],
  "supported_items": "#minecraft:enchantable/mining",
  "weight": 10
}