Whenever an enemy champion dies that Katarina has damaged in the last 3 seconds, her ability cooldowns are reduced by 15 seconds.
If Katarina picks up a Dagger, she uses it to slash through all nearby enemies, dealing magic damage.
Katarina throws a dagger that bounces from enemy to enemy, dealing magic damage and marking them. Her next spell or basic attack against a marked target will consume the mark and deal additional magic damage.
Katarina whirls her daggers around her, dealing magic damage to all enemies in the area. If she hits an enemy Champion, Katarina gains a burst of speed for a short duration.
Katarina instantly teleports to her target's location and takes reduced damage from enemies for a few seconds. If the target is an enemy, she deals damage.
Katarina becomes a flurry of blades, throwing daggers with unrivaled speed at up to three nearby Champions. Daggers deal magic damage and reduce self healing on targets hit.
Decisive in judgment and lethal in combat, Katarina is a Noxian assassin of the highest caliber. Eldest daughter to the legendary General Du Couteau, she made her talents known with swift kills against unsuspecting enemies. Her fiery ambition has driven her to pursue heavily-guarded targets, even at the risk of endangering her allies—but no matter the mission, Katarina will not hesitate to execute her duty amid a whirlwind of serrated daggers.