efficiency.json

{
  "class": "dev.drawethree.xprison.enchants.model.impl.EfficiencyEnchant",
  "id": 1,
  "rawName": "efficiency",
  "name": "&aEfficiency",
  "enabled": true,
  "increaseCostBy": 50,
  "maxLevel": 250,
  "currency": "TOKENS",
  "initialCost": 500,
  "refund": {
    "enabled": true,
    "guiSlot": 19,
    "percentage": 30.0
  },
  "gui": {
    "name": "&aEfficiency",
    "material": "PRISMARINE_SHARD",
    "customModelData": 0,
    "slot": 19,
    "description": [
      "&7Increases your mining speed, letting you",
      "&7break blocks &ainstantly &7as it levels up."
    ]
  }
}