{
  "type": "everlastingabilities:attribute_modifier",
  "name": "ability.everlastingabilities.heart_gainer",
  "rarity": "rare",
  "max_level": 10,
  "xp_per_level": 35,
  "attribute": "generic.max_health",
  "amount_factor": 2,
  "operation": "add_value"
}