Dr. Mundo vs Sion TOP Matchup Guide | LaneStomp

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Sion

Dr. Mundo vs Sion

Updated Jun 3, 2026

Overview

This is a low-agency, scaling juggernaut matchup where Mundo must survive early and outlast Sion's engage attempts.
Mundo should avoid giving Sion easy charged (Q) angles and focus on safe (Q) farming to reach health scaling and item spikes.

Trading pattern

Trade only when (Q) lands repeatedly to slow Sion and limit his engage window.
Use passive crowd control block to absorb Sion's single immobilizing effect and punish cooldowns.
Avoid trading when (Q) misses or passive is down, as Mundo lacks reliable follow-up damage or mobility.

Danger windows

Be cautious when Sion has (R) ready with a clear path for engage; sidestep or break angles to avoid knockup.
Avoid fighting when Sion's charged (Q) is available from fog or brush, as it can interrupt trades and set up burst.
Mundo is vulnerable before level 6 and before health items; minimize trading and focus on safe farming during this time.

Early game

Use (Q) to safely farm and poke without overextending before level 6.
Avoid extended trades before (R) and health items when Sion's charged (Q) knockup and (W) shield are threats.
Respect fog and brush angles to dodge Sion's charged (Q) and prevent forced all-ins.

Power spikes

At level 6, activate (R) before lethal burst to heal and chase through fights.
First health item spike greatly increases Mundo's durability and damage; pressure side waves to leverage this.
Respect (R) engage and charged (Q) knockup as major threats that can force Mundo out or punish mistakes.

Win conditions

Survive early lane pressure by farming safely with (Q) and passive crowd control block.
Outscale Sion by reaching health item spikes and using (R) to sustain through extended fights.
Pressure side waves and force Sion to spend time cutting through Mundo's health, reducing his impact in teamfights.