How to win lane as Cassiopeia against Trundle · 50% win rate over 20 Emerald+ games · Updated 2026-07-27
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Trundle | Level 1 I have one ability and no poison stacking, while his Chomp (Q) steals my attack damage and a Pillar (E) angle out-trades my single Noxious Blast. |
| Level 2 | Cassiopeia | At level 2 my prime-and-Twin-Fang (Q into E) trade beats his early sustain before Frozen Domain's heal zone comes online. |
| Level 3 | Cassiopeia | Level 3 my full Q-poison into repeatable E-spam is real DPS he cannot yet out-heal — my clearest lane edge. |
| Levels 4-5 | Even / skill | Ranks in Q and E push my treadmill, but his Frozen Domain (W) heal zone and passive regen pull the extended trade back to even. |
| Level 6 | Even / skill | Petrifying Gaze stuns his all-in, yet Subjugate (R) stealing my resistances and healing him keeps the level-6 fight a coin-flip. |
| First item | Cassiopeia | My Liandry's/Malignance tick out-damages his sustain for a window, and this first-item spike is my clearest edge before he stacks tank. |
| Two+ items | Trundle | His Subjugate (R) plus drain-tank items let him heal through my full poison rotation and walk me down — I stop killing him first. |
Level 1 is his — he has Chomp (Q) stealing my attack damage plus a Pillar (E) angle, and that out-trades my single Noxious Blast (Q) before I can stack any poison. From level 2 the lane flips to me: I prime with Q, then chain Twin Fang (E) off the poison for cheap, near-continuous damage and chip him before his Frozen Domain (W) attack-speed-and-heal zone and passive sustain switch on. Do not over-commit for the kill — his whole kit is built to out-heal a slow poke war, so bank the lead in CS and plates instead of forcing a fight he can sustain through.
The full Cassiopeia vs Trundle 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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Playing the other side? Trundle vs Cassiopeia guide →
All Cassiopeia top lane matchups →