How to win lane as Dr. Mundo against Sion · 52% win rate (2,831 Emerald+ games, lolalytics, sampled July 2026) · Matchup data reviewed on patch 26.15
Dodge his charged Q — out-sustain and run his immobile body down.
Track: Sion's Q — Decimating Smash (10–6s cooldown). Charged = knockup. Sidestep it.
Read from Dr. Mundo's seat: which stage windows this plan plays for against Sion.
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Dr. Mundo | Level 1 favours you — instant Q trades beat his telegraphed charge-up. |
| Level 2 | Dr. Mundo | Level 2 stays yours as you free-hit every Decimating Smash windup. |
| Level 3 | Dr. Mundo | Level 3 is yours: Q slow plus Heart Zapper out-DPS his short trades. |
| Levels 4-5 | Dr. Mundo | Levels 4-5 favour you — sustained poison grinds him while he can't burst you. |
| Level 6 | Dr. Mundo | Level 6 is clearly yours: R no-sells his full stun combo so he can't kill you. |
| First item | Dr. Mundo | First item stays yours as you sustain through his shield-and-charge chip. |
| Two+ items | Dr. Mundo | At 2+ items you hard-win the 1v1, forcing Sion into grouped-only value. |
Levels 1-2 already favour you: your Q is an instant cleave while his Q is a telegraphed charge you can walk out of, so you win the early trades and deny his short-trade poke.
Pooled Emerald+ win rates from Dr. Mundo's side, sampled July 2026.
The full Dr. Mundo vs Sion report continues with the mid-game plan, the late-game and teamfight plan, every power spike to play around, and the win conditions for both sides — plus cooldown tracking and the live enemy-jungle tracker inside the app.
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Dr. Mundo, slightly — a 52% win rate edge over 2,831 games; execution can flip it.
Mostly — Dr. Mundo has a small statistical edge (52% win rate), but execution decides this lane far more than the pick does.
Not a hard counter — Dr. Mundo has a slight edge (52% win rate), and play quality decides the rest.
Dr. Mundo takes Grasp of the Undying on the Resolve tree with Demolish, Second Wind and Overgrowth, and Precision secondary (Triumph and Legend: Haste) vs Sion.
Start Doran's Shield + Health Potion and back for Giant's Belt (≈900g) — start the HP stack. Build Heartsteel (the raid-boss engine) first, then Warmog's Armor, with Plated Steelcaps.
Playing the other side? Sion vs Dr. Mundo guide →
All Dr. Mundo top lane matchups →
More Dr. Mundo top lane matchups: vs Sett · vs Shen · vs Singed · vs Swain · vs Sylas · vs Tahm Kench