Scoring a kill or assist will reduce all the cooldowns of Katarina's abilities by 15 seconds.
Bouncing Blades
Range: 675
Cooldown: 10 / 9.5 / 9 / 8.5 / 8
Cost: No cost
Active: Katarina throws a dagger that bounces quickly from enemy to enemy, dealing magic damage and marking each enemy hit for 4 seconds. Bouncing Blades hits a total of 5 unique targets (4 bounces), each striking the closest next target. Each subsequent hit deals 10% less damage.
Striking a marked target with an ability or basic attack will consume the mark to deal additional magic damage.
Active: Katarina whirls her daggers, instantly dealing magic damage to all nearby enemies. If she damages an enemy champion, she gains movement speed for 1 second.
Active: Katarina furiosly spins in place, throwing a barrage of up to 30 daggers at the closest 3 enemy champions within range during the 2 second channel. Each dagger deals magic damage and applies Grievous Wounds, reducing incoming healing by 50% for 3 seconds.
Death Lotus can hit a single enemy champion no more than 10 times.
3150 or 
790
