who is invoker?
Kael the Invoker is a hero from Dota Allstars and Dota 2. In Dota Allstars, he is an Intelligence Scourge hero, while in Dota 2, he is an Intelligence Dire hero. Passive: HP Regeneration Per Instance of Quas: 1/2/3/4/5/6/7. Passive: Strength Bonus: 2/4/6/8/10/12/14.