explosive.json

{
  "class": "dev.drawethree.xprison.enchants.model.impl.ExplosiveEnchant",
  "id": 9,
  "rawName": "explosive",
  "name": "<green>Explosive</green>",
  "enabled": true,
  "increaseCostBy": "baseCost * pow(1.05, level)",
  "cooldown": 1,
  "maxLevel": 1000,
  "chance": 0.001,
  "currency": "GEMS",
  "initialCost": 5000,
  "countBlocksBroken": false,
  "explosionType": "SPHERE",
  "currencyToGive": "MONEY",
  "radius": "2 + (level * 0.008)",
  "maxRadius": 32,
  "message": "<gradient:#FFD700:#FFEA00><bold>ENCHANT</bold></gradient> <dark_gray>» </dark_gray><gray>You got </gray><yellow><bold>%amount% %currency% </bold></yellow><gray>from </gray><red><bold>Explosive </bold></red><gray>activation.</gray>",
  "sounds": true,
  "useEvents": true,
  "prestige": {
    "enabled": true,
    "maxPrestige": 5,
    "requiredActivationsFormula": "2000 * pow(10, prestige)",
    "multiplierPerPrestige": 0.2
  },
  "refund": {
    "enabled": true,
    "guiSlot": 19,
    "percentage": 35.0
  },
  "gui": {
    "name": "<green>Explosive</green>",
    "material": "TNT",
    "customModelData": 0,
    "slot": 19,
    "description": [
      "<gray>Gives a chance to </gray><green>cause explosions</green>",
      "<gray>that destroy nearby blocks while mining.</gray>"
    ]
  }
}

Explosive is an area enchant, so it also accepts the optional removeBlocks, eventStrategy and maxBlocks keys — see Shared area-enchant settings. The useEvents key above is the legacy form of eventStrategy and still works.