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Overview

Role Plan

Danger Windows

Early Game

Power Spikes

Win Conditions

Cassiopeia vs Sylas MID Matchup Guide | LaneStomp

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Champion

Opponent

RoleGenerate matchup

Cassiopeia

VS

Mid

Sylas

Cassiopeia vs Sylas

Confidence mediumUpdated Jun 10, 2026

Overview

Use mid-range poke to force Sylas into extended fights where repeated (E) shines.
Deny Sylas's engage by holding (W) to ground his dash and punish missed (E).
Prioritize landing poison before committing to trades to maximize (E) damage.

Trading pattern

Initiate trades by landing (Q) or (W) to apply poison, then spam (E) for sustained damage.
Step forward to punish Sylas when his (E) is on cooldown and he can't engage.
Hold (R) to punish Sylas when he commits facing you, especially after his engage.

Danger windows

Avoid trades when (E) engage and (W) heal are both available.
Be cautious if Sylas steals a valuable (R), increasing his kill potential.
Do not overextend when (W) is down, as Sylas can dash freely and engage.

Early game

Start with (Q) to apply poison and zone Sylas early before he can engage.
Avoid extended trades before level 6 unless Sylas misses (E), then punish with repeated (E).
Keep (W) ready to ground Sylas's engage and limit his mobility advantage.

Power spikes

Level 6 (R) deters Sylas's all-ins by threatening stun when he faces you.
First mana/AP item boosts sustained damage and allows more confident extended trades.
Respect Sylas's level 3 (Q)-(W)-(E) combo and level 6 ultimate by playing cautiously and punishing missed engages.

Win conditions

Land poison reliably to force Sylas into extended fights favoring your repeated (E) damage.
Use (W) to control Sylas's mobility and (R) to punish him when he faces you in all-ins.
Punish missed (E) cooldowns to maintain lane control, deny his engages, and scale safely.

Tip: For Cassiopeia vs Sylas, read overview, trading pattern, and danger windows first for a fast Mid lane check.

Updated Jun 10, 2026New matchup