Vex Ability (LoL): Shadow Surge

Shadow excitedly surges forward, dealing 75 / 125 / 175 (+20% of ability power) magic damage and marking the first enemy champion hit for 4 seconds.

Recast: Dash to the marked champion, dealing 150 / 250 / 350 (+50% of ability power) magic damage on arrival. If the marked champion dies within 6 seconds of taking damage from this ability, its cooldown is temporarily reset.