

Viktor vs Kassadin Counter Pick
Matchup Summary
What the Data Means
Void Stone is the cleanest counter statement in the pairing. Kassadin takes reduced magic damage as a passive and ignores unit collision, and Viktor’s damage is entirely magic, so a share of everything Siphon Power, Hextech Ray and Arcane Storm produce is removed before resistances are even considered. Across 1,368 games on patch 16.13.1, Viktor holds 47.3%.
Null Sphere adds a second layer, granting a temporary shield on cast while interrupting channels, and Riftwalk answers Gravity Field directly: the field only stuns enemies who stay inside it, and Kassadin’s ultimate is a repeatable short teleport paid for in mana rather than in time. His 150 attack range against 525 looks decisive on paper and is not, because closing that distance is the one thing his kit does reliably.
Viktor’s case rests on the early portion of the game. Kassadin carries 21 armor at level one and only 89 at level 18, the softest armor curve of any assassin who fights at arm’s length, while Viktor sits at 23 and 97.8. Health runs the other way, 646 rising to 2,567 against 600 and 2,300. Arcane Storm interrupts and covers ground, and Glorious Evolution converts kills into permanent augments, the currency Viktor must bank before Riftwalk becomes affordable. Kits: Viktor, Kassadin.
FAQ
No — current data marks this as a counter matchup: Kassadin has the statistical edge. Viktor wins 47.3% of the recorded games.
47.3% from Viktor's perspective, measured on patch 16.13.1.
1,368 ranked games at Emerald rank and above, across all regions.
The current Viktor build — items, runes and skill order from the same data set — is on the Viktor build page.