Perform a damaging warcry, [Knockback|Knocking Back] nearby enemies. If a [HeavyStun|Heavy Stunned] enemy is hit, your next [Slam] is [Empowered] to perform an additional [Aftershock|Aftershock]. If not, this skill's cooldown is reset. Only counts [HeavyStun|Heavily Stunned] enemies for purposes of counting [Power] Gained.