Void Stone (Passive)
Kassadin takes reduced magic damage and ignores unit collision.
Null Sphere (Q)
Cooldown: 11/10.5/10/9.5/9
Cost: 70/75/80/85/90
Range: 650
Kassadin fires an orb of void energy, dealing magic damage and interrupting channels. Kassadin also gains d Magic Shield for 1.5 seconds.
Nether Blade (W)
Cooldown: 7
Cost: 1
Range: 1
Passive: Kassadin's Attacks deal an additional magic damage.Active: Kassadin charges his blade, causing his next Attack to deal magic damage and restore 4/4.5/5/5.5/6% missing Mana, increased to 20/22.5/25/27.5/30% against champions.
Force Pulse (E)
Cooldown: 5
Cost: 60/65/70/75/80
Range: 400
Passive:: Kassadin gains a charge whenever any Ability is used near him. At 6 charges, Kassadin can activate this Ability.Active: Kassadin unleashes a void pulse, dealing magic damage and Slowing by 50/60/70/80/90% for 1 second.
Riftwalk (R)
Cooldown: 5/3.5/2
Cost: 40
Range: 500
Kassadin teleports to a nearby location, dealing magic damage.Each subsequent use of this Ability within the next 15 seconds doubles the Mana cost and deals an additional magic damage. The cost and damage increases can stack up to 4 times.