{
  "id": "defense_training",
  "name": "Defense Training",
  "category": "combat",
  "description": "Improves damage reduction and resistance",
  "maxLevel": 100,
  "experiencePerLevel": 1000,
  "defaultUnlocked": true,
  "icon": "fa-shield-alt",
  "bonuses": {
    "damageReduction": 1.5,
    "resistance": 1,
    "health": 5
  }
}