Kassadin

Innate: Periodically after casting an ability, Kassadin gains a shield lasting 1.5 seconds for 50 to 190 for 15% (+ 30% AP).

Active: Kassadin fires an orb of void energy in the target direction that deals magic damage and silence the first enemy hit.

Active: Kassadin empowers his next basic attack within 4 seconds to have an uncancellable windup, gain 250 bonus range, deal bonus magic damage, and restore (5% / 15%) missing mana. If this kills the target, the cooldown is reduced by 50%.

Nether Blade basic attack reset Kassadin's basic attack timer.

Passive: Each time Kassadin or a nearby champion casts an ability, he generates a stack of Force Pulse, stacking up to 6 times, upon which the next cast becomes empowered to consume them all.

Active: Kassadin emits a pulse of void energy in a cone in the target direction that deals magic damage to enemies hit and slow them by 30% for 1 second.

Empowered Bonus: The damage is increased to 140% and the slow to 90%.

Active: Kassadin blinks to the target location, dealing magic damage to nearby enemies upon arrival. He then generates a stack of Riftwalk lasting 12 seconds, refreshing on subsequent casts and stacking up to 3 times.

Riftwalk: For each stack, Riftwalk deals 50% bonus magic damage at an additional 200% mana cost.