Description
A Hero Power is an ability unique to each Hero that can be used once a turn for two Mana. Some cards are able to replace a Hero's power with a new one such as 
Lord Jaraxxus and Shadowform.
Hero Powers
- Druid Shapeshift
- Hunter
Steady Shot - Mage Fireblast
- Paladin Reinforce
- Priest Lesser Heal, Mind Spike (after casting the spell Shadowform), Mind Shatter (After casting a second Shadowform)
- Rogue Dagger Mastery
- Shaman Totemic Call
- Warlock Life Tap, INFERNO! (after summoning Lord Jaraxxus)
- Warrior Armor Up!
Notes
- There is a card called Destory Hero Power but is currently unplayable in the game.