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
Master Yi
VS
Champion 2
Sejuani
vs
52.1%
Master Yi win rate vs Sejuani
Master Yi has the edge
474
Games Analyzed
52.1%
Master Yi WR
47.9%
Sejuani WR
+168
Avg Gold Diff @15
Master Yi
DamageAD
StyleSustained
RangeMelee
Difficulty**---
StrongLate game
RunesLethal Tempo / Resolve
SummsFlash + Smite
Sejuani
DamageAP
StyleAll-in
RangeMelee
Difficulty**---
StrongMid game
RunesAftershock / Inspiration
SummsFlash + Smite
Power Spike Timeline
Sejuani
Level 3
Master Yi
Level 6
Sejuani
Level 6
Sejuani
1 item
Master Yi
2 items
Master Yi
3 items
How to Play This Matchup
Power Curve
Master Yi is strongest late game while Sejuani peaks mid game. Play around your power window.
Mixed Resistances
Master Yi deals AD damage while Sejuani deals AP. Build resistances accordingly  don't stack the wrong type.
Exploit Sejuani's Weakness
Sejuani's main weakness: Kiting, early invades, slow clear. Play around this to maximize your advantage.
Master Yi Win Condition
Scale, Q resets in teamfights, R makes untargetable
Sejuani Win Condition
R stun engage, passive freeze, tanky frontline with CC
Recommended Items
Master Yi
Blade of the Ruined King
Core
Build every game
Guinsoo's Rageblade
Core
Build every game
Wit's End
Core
Build every game
Mercury's Treads
Defensive
MR + tenacity vs Sejuani's AP damage and CC
Hexdrinker
Counter
Magic damage shield vs Sejuani's burst
Sejuani
Sunfire Aegis
Core
Build every game
Thornmail
Core
Build every game
Gargoyle Stoneplate
Core
Build every game
Plated Steelcaps
Defensive
Armor boots vs Master Yi's AD damage
Bramble Vest
Counter
Grievous wounds + armor vs Master Yi's sustain/autos
Master Yi's Worst Matchups
Sejuani's Worst Matchups
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