The damage type that Kassadin deals is mostly Magic Damage.
Kassadin's damage type breakdowns as follows:
Kassadin takes 10% reduced magic damage and ignores unit collision.
Kassadin fires an orb of void energy that deals 65/95/125/155/185 (+70% bonus Ability Power) magic damage and interrupts channels.The excess energy forms around himself, granting a shield that absorbs 80/110/140/170/200 (+30% bonus Ability Power) magic damage for 1.5 seconds.
Passive: Kassadin's basic attacks draw energy from the void, dealing 20 (+10% bonus Ability Power) bonus magic damage.Active: Kassadin charges his Nether Blade, causing his next basic attack to deal 50/75/100/125/150 (+80% bonus Ability Power) bonus magic damage and restore 4/4.5/5/5.5/6% of his missing Mana (increases to 20/25/30/35/40% against champions).
Passive: Force Pulse's Cooldown is reduced by 0.75 second whenever any Ability is used near Kassadin.Active: Kassadin unleashes a void pulse dealing 60/90/120/150/180 (+85% bonus Ability Power) magic damage and slow enemies by 50/60/70/80/90% for 0.75 second in a cone in front of him.
Kassadin teleports to a nearby location dealing 70/90/110 (+2% maximum mana) (+40% bonus Ability Power) magic damage to surrounding enemy units.Each subsequent Riftwalk within the next 15 seconds doubles the Mana cost and deals an additional 35/45/55 (+10% bonus Ability Power) (+1% maximum mana) magic damage per stack, stacking up to 4 times.
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