MacroMind matchup data: real ranked games, not opinions
Rammus vs Sejuani
How often does Rammus beat Sejuani in Jungle?
Rammus into Sejuani in Jungle: 57% observed win rate across 166 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 Rammus behind by 247 gold.
Rammus at 15:00
- Gold: -247
- CS: -5
- XP: -80
Typical gap to Sejuani, from 163 games that reached 15:00.
Does Rammus counter Sejuani?
No counter here: Rammus sits at 57% over 166 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 Rammus game plan
A gold lead at 10:00 puts Rammus at 69% across 67 games. Flip the lead and Rammus falls to 50% across 99.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 69% | 67 |
| Behind in gold at 10:00 | 50% | 99 |
| First blood | 65% | 95 |
| +kills at 10:00 | 61% | 51 |
| +CS at 10:00 | 67% | 61 |
| 0 deaths at 10:00 | 67% | 58 |
Someone usually dies here around 6:47 in the median game, and level 6 lands near 7:33. Until your spike is online, respect the all-in.
Rammus's Jungle build, with receipts
Into Sejuani specifically, Rammus finishes Thornmail first most often: 60.0% over 70 games of this matchup.
The most-finished Rammus core is Thornmail, Sunfire Aegis, Jak'Sho, The Protean: 59.5% across 1,169 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Gustwalker Hatchling + Health Potion; the first finished item is usually Thornmail (8,447 games).
Skill plan: Rammus players max Q first and take W at level 1.