Irelia Ability (LoL): Ionian Fervor

Irelia gains a stack of Ionian Fervor for every enemy champion hit by her abilities, or if she hits at least one non-champion, stacking up to 4 times. Ionian Fervor lasts for 6 seconds, with basic attacks against enemy champions and large monsters and ability hits refreshing the duration.

Ionian Fervor: Irelia gains 7.5−20% bonus attack speed per stack, up to 30−80% at maximum stacks (depending on level).

At maximum stacks, Irelia's basic attacks deal 10−61 (+0.2% bonus attack damage) bonus magic damage on-hit (depending on level).

Enemy champions and large monsters hit by Flawless Duet and Vanguard's Edge's initial barrage are marked for 5 seconds. The mark can be consumed by Bladesurge.