MacroMind matchup data: real ranked games, not opinions
Amumu vs Sejuani
How often does Amumu beat Sejuani in Jungle?
Amumu into Sejuani in Jungle: 53% observed win rate across 340 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 Amumu ahead by 63 gold.
Amumu at 15:00
- Gold: +63
- CS: +1
- XP: -65
Typical gap to Sejuani, from 338 games that reached 15:00.
Does Amumu counter Sejuani?
No counter here: Amumu sits at 53% over 340 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 Amumu game plan
A gold lead at 10:00 puts Amumu at 63% across 176 games. Flip the lead and Amumu falls to 43% across 164.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 63% | 176 |
| Behind in gold at 10:00 | 43% | 164 |
| First blood | 58% | 196 |
| +kills at 10:00 | 60% | 132 |
| +CS at 10:00 | 60% | 167 |
| 0 deaths at 10:00 | 66% | 76 |
Someone usually dies here around 6:15 in the median game, and level 6 lands near 7:16. Until your spike is online, respect the all-in.
Amumu's Jungle build, with receipts
Into Sejuani specifically, Amumu finishes Liandry's Torment first most often: 46.5% over 101 games of this matchup.
The most-finished Amumu core is Liandry's Torment, Sunfire Aegis, Abyssal Mask: 57.9% across 1,753 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Mosstomper Seedling + Health Potion; the first finished item is usually Liandry's Torment (9,569 games).
Skill plan: Amumu players max E first and take W at level 1.