How to win lane as Karthus against Senna · 48.84% win rate over 690 Emerald+ games · Updated 2026-07-27
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Senna | Level 1 Senna out-ranges your farm with Q poke-and-heal through minions. |
| Level 2 | Senna | Level 2 her passive cannon range keeps punishing your CS step-ups. |
| Level 3 | Senna | Level 3 her Q sustain still out-trades your shorter-range Defile setup. |
| Levels 4-5 | Karthus | Levels 4-5 your W-into-E zone finally out-pressures her single Q casts. |
| Level 6 | Karthus | R Requiem gives you a global execute her Q-heal can't escape. |
| First item | Karthus | First-item Defile shreds her low base defenses faster than she heals. |
| Two+ items | Karthus | In 2+ item fights your zone and global ult beat her fragile poke carry. |
Levels 1-3 Senna wins the range war: her Q pokes and heals through the wave from range while her passive auto-range punishes your CS step-ups, so play safe, take chip, and just farm what you can with Q.
The full Karthus vs Senna 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.
Become a Founding Member — $1.99/month →🔒 Secure checkout · 💰 7-day money-back guarantee · ✋ Cancel anytime
Early Access price — $3.99/month for new members after launch.
Playing the other side? Senna vs Karthus guide →
All Karthus bot lane (adc) matchups →