Enemies hit by Kennen's abilities receive one Mark of the Storm, which lasts for 6.25 seconds. These marks stack and upon receiving 3 Marks of the Storm, they detonate to stun the target for 1 second and grant Kennen 25 energy. If the stun is applied more than once within 7 seconds, it has a diminished effect and will only stun for approximately 0.5 seconds
Cooldown: 8 / 7 / 6 / 5 / 4
Cost: 65 / 60 / 55 / 50 / 45 energy
Active: Kennen throws a charged shuriken in a line in front of him, dealing magic damage to the first enemy that it hits.
Active: Kennen transforms into a ball of electricity ignoring unit collision and gaining 100% base movement speed for 2 seconds. Any enemies he passes through take magic damage, dealing half damage to minions and monsters. Kennen also gains 40 energy from the first enemy he hits. Kennen cannot use basic attacks while Lightning Rush is active.
Additionally, for 4 seconds Kennen's armor and magic resistance are increased. While Lightning Rush is active, Kennen can activate it again to cancel the first part of the ability.
Active: Kennen summons a magical storm around himself that zaps a random enemy champion within range every fraction of a second, dealing magic damage. The storm hits several times, increasing with level, and cannot hit the same target more than 3 times.
Magic damage per bolt: 80 / 145 / 210 (+ 40% AP)
Maximum single target damage: 240 / 435 / 630 (+ 120% AP)