Patch 26.9 Data
Champion Matchups
Pick two champions and see who wins. Win rates, counters, and tips powered by live ranked data.
Champion 1
Kassadin
VS
Champion 2
Katarina
vs

51.2%
Kassadin win rate vs Katarina
Skill matchup — could go either way
732
Games Analyzed
51.2%
Kassadin WR
48.8%
Katarina WR
+98
Avg Gold Diff @15
Kassadin
DamageAP
StyleBurst
RangeMelee
Difficulty***--
StrongLate game
RunesFleet Footwork / Resolve
SummsFlash + Teleport
Katarina
DamageMixed
StyleBurst
RangeMelee
Difficulty****-
StrongMid game
RunesConqueror / Resolve
SummsFlash + Ignite
Power Spike Timeline
Katarina
Level 3
Kassadin
Level 6
Katarina
Level 6
Katarina
1 item
Kassadin
Level 11
Kassadin
Level 16
How to Play This Matchup
Power Curve
Kassadin is strongest late game while Katarina peaks mid game. Play around your power window.
Mixed Resistances
Kassadin deals AP damage while Katarina deals Mixed. Build resistances accordingly  don't stack the wrong type.
Mirror Playstyle
Both champions play a burst style. The one with better execution and itemization wins. Focus on spacing and cooldown tracking.
Exploit Katarina's Weakness
Katarina's main weakness: Hard CC interrupts ult, losing lane, no resets. Play around this to maximize your advantage.
Kassadin Win Condition
Survive to 16, R spam becomes uncatchable assassin
Katarina Win Condition
Roam, get resets, snowball through kills
Recommended Items
Kassadin
Rod of Ages
Core
Build every game
Archangel's Staff
Core
Build every game

Rabadon's
Core
Build every game

Zhonya's Hourglass
Counter
Stasis to survive assassin burst
Katarina

Hextech Rocketbelt
Core
Build every game

Nashor's Tooth
Core
Build every game

Zhonya's
Core
Build every game

Mercury's Treads
Defensive
MR + tenacity vs Kassadin's AP damage and CC
Kassadin's Worst Matchups
Katarina's Worst Matchups
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