Karthusvs Sylas
Karthus vs Sylas is a decisive matchup in LoL patch 26.14. Sylas wins with a 52.6% win rate (+5.3%) over Karthus based on 19 games. Sylas wins the early laning phase while Karthus scales better into the late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Sylas matchup.
Karthus Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Karthus performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.
Who Wins the Karthus vs Sylas Matchup?
Karthus vs Sylas Matchup Summary
The Karthus vs Sylas matchup is a moderate matchup in League of Legends ranked play. Based on 19 recent matches analyzed, Sylas wins with a 52.6% win rate compared to Karthus's 47.4%, giving Sylas a 5.3 percentage point advantage. Game phase dynamics play a critical role here: Sylas controls the early laning stage, but Karthus outscales as the game goes longer. The matchup shifts dramatically depending on game length — Sylas needs to press advantages before Karthus reaches their power spikes, while Karthus should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Sylas leads by 597 HP/min — a difference that heavily influences the outcome of trades and skirmishes. While Sylas is slightly favored, Karthus can absolutely win this lane through smart trading patterns and wave management. Focus on playing around your cooldowns, conceding CS only when necessary, and capitalizing on Sylas's mistakes. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.
Karthus vs Sylas Laning Phase Breakdown
Karthus is favored during the laning phase against Sylas, winning 3 out of 5 key stat categories. Karthus holds advantages in farming, damage and gold income, making them the stronger laner in this matchup.
Best Karthus Build Against Sylas
Sorcerer's Shoes is the optimal boots choice against Sylas, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Sylas are Liandry's Torment, Malignance and Rabadon's Deathcap. This combination gives Karthus an effective balance of damage, survivability, and utility for the matchup. This build achieves a solid 50.0% win rate across 2 games, proving it to be a reliable item path when facing Sylas. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Karthus vs Sylas matchup.
Early Game vs Late Game
Karthus37.5%
Sylas62.5%Karthus54.5%Sylas45.5%Sylas dominates the early game (first 15 minutes) with a commanding 62.5% win rate — a 25.0 percentage point lead over Karthus. This lopsided early game means Sylas can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
Karthus is far superior in the late game (25+ minutes), boasting a 54.5% win rate — 9.1 points above Sylas. Extended games heavily favor Karthus, whose kit and scaling make them a dominant force in team fights and objective control.
This matchup features a dramatic power shift: Sylas must aggressively press their early advantage and close out the game before Karthus reaches their scaling breakpoints. If Karthus survives the laning phase without falling too far behind, the matchup flips in their favor. Dragon and Rift Herald control are pivotal — the team that secures early objectives can snowball or buy time to scale.
Best Karthus Runes Against Sylas
Domination
Sorcery
The Domination and Sorcery rune setup gives Karthus the best tools to compete against Sylas in this difficult matchup, compensating for the statistical disadvantages with optimal rune synergies.
Karthus matchup data for League of Legends patch 26.14. The table below shows Karthus's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Karthus build, runes, laning stats, and early vs late game analysis for that specific matchup.
Opponent | Win Rate | Matches | CS/min | DMG/min | Gold/game | Early WR | Late WR |
|---|---|---|---|---|---|---|---|
| 50.00% | 34 | 1.5 | 1,210 | 14,460 | 54.5% | 47.8% | |
| 53.85% | 26 | 1.7 | 1,107 | 13,353 | 75.0% | 44.4% | |
| 65.38% | 26 | 1.6 | 1,213 | 14,129 | 62.5% | 66.7% | |
| 42.86% | 21 | 1.6 | 1,273 | 14,869 | 62.5% | 30.8% | |
| 57.14% | 21 | 6.7 | 1,272 | 14,858 | 33.3% | 66.7% | |
| 66.67% | 21 | 6.9 | 1,369 | 14,650 | 75.0% | 61.5% | |
| 60.00% | 20 | 6.2 | 1,547 | 15,163 | 37.5% | 75.0% | |
| 47.37% | 19 | 2.3 | 1,299 | 12,041 | 37.5% | 54.5% | |
| 36.84% | 19 | 6.3 | 1,222 | 12,598 | 50.0% | 30.8% | |
| 63.16% | 19 | 1.3 | 1,189 | 12,550 | 66.7% | 61.5% | |
| 44.44% | 18 | 1.5 | 984 | 12,231 | 28.6% | 54.5% | |
| 41.18% | 17 | 1.3 | 1,174 | 13,393 | 50.0% | 36.4% | |
| 64.71% | 17 | 1.4 | 1,133 | 13,538 | 60.0% | 66.7% | |
| 58.82% | 17 | 6.1 | 1,296 | 12,023 | 28.6% | 80.0% | |
| 31.25% | 16 | 1.1 | 998 | 10,234 | 22.2% | 42.9% | |
| 37.50% | 16 | 1.2 | 1,036 | 11,549 | 22.2% | 57.1% | |
| 56.25% | 16 | 1.4 | 1,291 | 15,822 | 33.3% | 61.5% | |
| 53.33% | 15 | 3.8 | 1,155 | 13,363 | 71.4% | 37.5% | |
| 57.14% | 14 | 1.5 | 1,189 | 16,770 | 80.0% | 44.4% | |
| 71.43% | 14 | 1.1 | 1,317 | 14,691 | 60.0% | 77.8% | |
| 38.46% | 13 | 2.1 | 1,364 | 16,137 | 50.0% | 33.3% | |
| 69.23% | 13 | 1.7 | 1,109 | 14,294 | 50.0% | 77.8% | |
| 38.46% | 13 | 1.6 | 1,250 | 13,792 | 66.7% | 30.0% | |
| 38.46% | 13 | 1.9 | 1,012 | 13,363 | 40.0% | 37.5% | |
| 50.00% | 12 | 1.6 | 1,101 | 11,974 | 50.0% | 50.0% | |
| 50.00% | 12 | 1.3 | 1,075 | 13,070 | 60.0% | 42.9% | |
| 33.33% | 12 | 5.8 | 1,242 | 13,035 | 14.3% | 60.0% | |
| 36.36% | 11 | 1.2 | 1,173 | 13,470 | 40.0% | 33.3% | |
| 45.45% | 11 | 1.3 | 1,270 | 13,006 | 66.7% | 37.5% | |
| 45.45% | 11 | 1.4 | 1,198 | 14,745 | 50.0% | 44.4% | |
| 72.73% | 11 | 1.7 | 1,133 | 12,272 | 75.0% | 71.4% | |
| 40.00% | 10 | 6.4 | 1,245 | 14,255 | 50.0% | 37.5% | |
| 50.00% | 10 | 1.2 | 1,072 | 11,237 | 25.0% | 66.7% | |
| 60.00% | 10 | 3.8 | 1,326 | 16,244 | 100.0% | 55.6% | |
| 50.00% | 10 | 7.0 | 1,119 | 13,927 | 33.3% | 57.1% | |
| 50.00% | 10 | 6.1 | 1,271 | 14,647 | 0.0% | 62.5% | |
| 66.67% | 9 | 1.7 | 1,147 | 15,247 | 100.0% | 57.1% | |
| 77.78% | 9 | 6.6 | 1,162 | 14,764 | 66.7% | 83.3% | |
| 37.50% | 8 | 5.9 | 1,039 | 11,392 | 0.0% | 100.0% | |
| 87.50% | 8 | 4.1 | 1,125 | 12,351 | 75.0% | 100.0% | |
| 57.14% | 7 | 1.7 | 1,407 | 16,439 | 33.3% | 75.0% | |
| 57.14% | 7 | 6.8 | 1,189 | 13,558 | 50.0% | 60.0% | |
| 28.57% | 7 | 5.7 | 809 | 9,614 | 40.0% | 0.0% | |
| 71.43% | 7 | 5.3 | 1,423 | 15,641 | 0.0% | 83.3% | |
| 50.00% | 6 | 7.8 | 1,516 | 10,970 | 75.0% | 0.0% | |
| 16.67% | 6 | 6.8 | 1,068 | 9,349 | 25.0% | 0.0% | |
| 16.67% | 6 | 7.0 | 1,143 | 13,263 | 33.3% | 0.0% | |
| 66.67% | 6 | 5.7 | 1,156 | 11,144 | 0.0% | 100.0% | |
| 50.00% | 6 | 2.5 | 1,110 | 11,409 | 75.0% | 0.0% | |
| 66.67% | 6 | 7.5 | 1,511 | 18,224 | 0.0% | 80.0% | |
| 60.00% | 5 | 5.6 | 1,047 | 12,658 | 100.0% | 50.0% | |
| 60.00% | 5 | 1.4 | 1,361 | 15,802 | 0.0% | 75.0% | |
| 40.00% | 5 | 2.1 | 1,186 | 10,480 | 33.3% | 50.0% | |
| 60.00% | 5 | 2.3 | 1,128 | 14,944 | 0.0% | 75.0% | |
| 20.00% | 5 | 5.8 | 1,755 | 14,344 | 50.0% | 0.0% | |
| 40.00% | 5 | 7.0 | 1,629 | 11,364 | 66.7% | 0.0% | |
| 80.00% | 5 | 3.3 | 1,369 | 13,229 | 100.0% | 66.7% | |
| 40.00% | 5 | 3.2 | 1,676 | 13,066 | 50.0% | 33.3% | |
| 60.00% | 5 | 1.1 | 1,231 | 14,729 | 0.0% | 75.0% | |
| 100.00% | 2 | 1.5 | 1,218 | 14,599 | 100.0% | 100.0% | |
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Karthus vs Sylas - Frequently Asked Questions
How does Karthus do against Sylas in League of Legends?
Sylas wins the Karthus vs Sylas matchup with a 52.6% win rate compared to Karthus's 47.4%, a 5.3 percentage point difference. This data is based on 19 recent ranked games in patch 26.14.
How does Karthus do against Sylas in the early game?
In the early game, Sylas has the advantage against Karthus with a 62.5% win rate versus 37.5%. Sylas players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Karthus do against Sylas in the late game?
In the late game, Karthus takes over the Karthus vs Sylas matchup with a 54.5% win rate compared to 45.5%. Karthus scales better into team fights and objective contests after 25 minutes.
Who wins the Karthus vs Sylas matchup?
Sylas wins the matchup against Karthus with a 52.6% win rate in League of Legends patch 26.14. The 5.3 percentage point advantage means Sylas is significantly favored in this lane matchup based on 19 games analyzed.
What is the best Karthus build against Sylas?
The best Karthus build against Sylas includes Liandry's Torment, Malignance, Rabadon's Deathcap with Sorcerer's Shoes. This build achieves a 50.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.
What are the best Karthus runes against Sylas?
The best Karthus runes against Sylas use the Domination primary tree with Sorcery secondary. This rune setup achieves a 37.5% win rate in the Karthus vs Sylas matchup. See the full rune breakdown in the matchup comparison above.
Does Karthus counter Sylas?
No, Karthus struggles against Sylas with only a 47.4% win rate. Sylas has the advantage in this matchup. Karthus players should focus on safe farming and avoiding extended trades to minimize Sylas's lead.
How do I play Karthus against Sylas?
When playing Karthus against Sylas, play cautiously and avoid Sylas's power spikes. Focus on safe farming — you outscale Sylas in the late game. Use the matchup-specific build and runes above to optimize your chances.