MacroMind matchup data: real ranked games, not opinions
Master Yi vs Sejuani
How often does Master Yi beat Sejuani in Jungle?
Master Yi into Sejuani in Jungle: 52% observed win rate across 873 ranked games.
Global ranked sample: games from every region and every rank pooled together, not one server's stats. Data runs through patch 26.12; curves updated 2026-08-07.
By 15 minutes the median game has Master Yi ahead by 532 gold.
Master Yi at 15:00
- Gold: +532
- CS: +8
- XP: +322
Typical gap to Sejuani, from 868 games that reached 15:00.
Does Master Yi counter Sejuani?
No counter here: Master Yi sits at 52% over 873 games. The swing lives in the spots below, so play the side you know better and chase the row that moves the number the most in this lane, then hold that lead through the first back.
Beating Sejuani: the Master Yi game plan
A gold lead at 10:00 puts Master Yi at 60% across 510 games. Flip the lead and Master Yi falls to 41% across 363.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 60% | 510 |
| Behind in gold at 10:00 | 41% | 363 |
| First blood | 57% | 553 |
| +kills at 10:00 | 61% | 397 |
| +CS at 10:00 | 60% | 514 |
| 0 deaths at 10:00 | 65% | 214 |
| 0 deaths at 15:00 | 77% | 68 |
Someone usually dies here around 6:18 in the median game, and level 6 lands near 7:04. Until your spike is online, respect the all-in.
Master Yi's Jungle build, with receipts
Into Sejuani specifically, Master Yi finishes Kraken Slayer first most often: 51.9% over 264 games of this matchup.
The most-finished core in this exact matchup is Kraken Slayer, Guinsoo's Rageblade, Experimental Hexplate: 45.9% across 74 games.
The most-finished Master Yi core is Kraken Slayer, Guinsoo's Rageblade, Experimental Hexplate: 58.5% across 8,784 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Gustwalker Hatchling; the first finished item is usually Kraken Slayer (31,146 games).
Skill plan: Master Yi players max Q first and take Q at level 1.