Battle Frenzy
For each basic attack or use of ability, which hits an enemy, the Destroyer gains 1% bonus Attack Speed. The buff stacks up to 10 charges. The charge lasts 10 seconds and refreshes. Activation of the special ability is available on 10 charges only, and the Destroyer starts to whirl, dealing physical damage with their weapon every 0.75 seconds to all nearest enemies during 5 seconds. After that, all empowered charges fall off.
For each auto-attack or ability use that hit the enemy, the Destroyer receives a 1% Attack Speed. The buff stacks up to 10 times. Each charge last for 5 seconds and is refreshed on a successful auto attack.
Upon activating the special ability (possible only at 10 charges), the Destroyer starts spinning around himself, dealing Value unavailable = [ Value unavailable Attack Power] physical damage to all nearby enemies every Value unavailable = Attack Speed seconds for Value unavailable seconds. After the ability ends, all charges are reset.
Weapon Specialization Bonus +0.75 seconds to effect duration.
Mana cost is increased by 10% of your Attack Power.