Dustdevil – Arena of Valor Skill Guide

Passive: Zill’s skills that hit apply a Storm mark to the target. At 3 stacks, the mark evolves into a tempest lasting 5 seconds while slowing the target’s movement speed. Zill’s basic attacks against a victim under the tempest mark instantly complete Wind Shift’s cooldown and deal bonus magic damage.
Zill’s basic attacks deal bonus magic damage (doubled against monsters and minions).