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
Katarina
VS
Champion 2
Sion
vs

50.3%
Katarina win rate vs Sion
Skill matchup — could go either way
173
Games Analyzed
50.3%
Katarina WR
49.7%
Sion WR
+23
Avg Gold Diff @15
Katarina
DamageMixed
StyleBurst
RangeMelee
Difficulty****-
StrongMid game
RunesConqueror / Resolve
SummsFlash + Ignite
Sion
DamageAD
StyleSustained
RangeMelee
Difficulty**---
StrongLate game
RunesGrasp of the Undying / Inspiration
SummsFlash + Teleport
Power Spike Timeline
Katarina
Level 3
Katarina
Level 6
Sion
Level 6
Katarina
1 item
Sion
1 item
Sion
Infinite HP
How to Play This Matchup
Power Curve
Katarina is strongest mid game while Sion peaks late game. Play around your power window.
Mixed Resistances
Katarina deals Mixed damage while Sion deals AD. Build resistances accordingly  don't stack the wrong type.
Hit and Run
Katarina needs to combo and back off. Don't stay in extended trades against Sion's sustained damage. Short trades, then disengage.
Exploit Sion's Weakness
Sion's main weakness: Dodging Q, mobile champs, % HP damage. Play around this to maximize your advantage.
Katarina Win Condition
Roam, get resets, snowball through kills
Sion Win Condition
Infinite HP scaling, R engage, zombie passive
Kill Pressure vs Map Play
Katarina typically runs Ignite for kill pressure. Sion runs Teleport for map impact. Katarina needs to convert the combat advantage into kills before Sion outscales through TP plays.
Recommended Items
Katarina

Hextech Rocketbelt
Core
Build every game

Nashor's Tooth
Core
Build every game

Zhonya's
Core
Build every game

Plated Steelcaps
Defensive
Armor boots vs Sion's AD damage

Bramble Vest
Counter
Grievous wounds + armor vs Sion's sustain/autos
Sion
Heartsteel
Core
Build every game
Titanic Hydra
Core
Build every game

Thornmail
Core
Build every game
Katarina's Worst Matchups
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