Kennen Ability (LoL): Lightning Rush

Kennen gains 335 movement speed as well as 10 / 20 / 30 / 40 / 50 increased Armor and Magic Resistance, and the ability to pass through units for up to three seconds, but he is unable to attack. Lightning Rush deals 85 / 125 / 165 / 205 / 245 (+80% of ability power) magic damage and adds a Mark of the Storm to any hostile unit he passes through; deals half damage to minions.

Kennen is refunded 40 energy if he passes through an enemy while using this spell, but can only gain this effect once per cast.