Inner Rage (warrior ability)

Inner Rage was a warrior ability that reduced the cooldown of Heroic Strike and Cleave from 3 seconds to 1.5 seconds. This effect had a 15-second duration and a 30-second cooldown and was free to cast.

Trivia

 * Inner Rage is a common Warrior spell in Hearthstone. The flavor text reads: "They're only smiling on the outside."