Heroes have several different ways they are classified which determines many in game effects.
- Order - characterized by having evenly-balanced and , and abilities like Mental Shield, Block, Pierce, Summon or Freeze
- Nature - they usually have abilities, like Spikes, Flight, Heal, Poison and some type of buffs/debuffs.
- Chaos - commonly have high , some of their abilities are Vampiric (lifesteal), Silence, Damage, Splash
- Sex (can be checked by clicking on the specific card)
- Rarity (differently-colored border of the cards)
Based on rarity, you get different leveling up cost