Void Stone (Passive)
Kassadin takes reduced magic damage and ignores unit collision.
Null Sphere (Q)
Cooldown: 10/9.5/9/8.5/8
Cost: 60/65/70/75/80
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.d
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.d
Force Pulse (E)
Cooldown: 21/20/19/18/17
Cost: 60/65/70/75/80
Range: 400
Passive: Force Pulse\'s Cooldown is reduced by t second whenever any Ability is used near Kassadin.Active: Kassadin unleashes a void pulse, dealing magic damage and Slowing by 50/60/70/80/90% for 1 second.d
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 n seconds doubles the Mana cost and deals an additional magic damage. The cost and damage increases can stack up to s times.d