Warrior · Arms · tier 1 · from level 10
Improved Heroic Strike
3 less rage
3/3 · Heroic Strike
Improved Heroic Strike
Rank 3/3
Reduces the cost of your Heroic Strike ability by 3 Rage.
Averages, counting crits and misses, for a level 60 Warrior with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.