Karthus - League of Legends Champion
Win Rate
52.6%
Pick Rate
0.9%

Karthusvs Smolder

SMage
Patch26.14
Matches491,560
LaneAll Lanes
TierAll Tiers
Last UpdatedJul 22, 2026
MethodologyData Methodology

Karthus vs Smolder is a decisive matchup in LoL patch 26.14. Smolder wins with a 80.0% win rate (+60.0%) over Karthus based on 5 games. Karthus wins the early laning phase while Smolder scales better into the late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Smolder matchup.

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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.

Compare against an opponent
Karthus - 20.0% win rate in this matchup
Karthus
20.0% WR
VS
Smolder vs Karthus matchup - 80.0% win rate
Smolder
80.0% WR

Who Wins the Karthus vs Smolder Matchup?

Smolder wins the Karthus vs Smolder matchup
Winner
Smolder
Matches: 5
20.0%
Win Rate
80.0%
5.8
CS / min
7.8
1,755
DMG / min
1,265
14,344
Gold / game
17,096
57
Heal / min
275
484
DMG Mitigated / min
530
0.7
CC / min
0.3
50.0%
Early Game WR
50.0%
0.0%
Late Game WR
100.0%

Karthus vs Smolder Matchup Summary

The Karthus vs Smolder matchup is a decisive matchup in League of Legends ranked play. Based on 5 recent matches analyzed, Smolder wins with a 80.0% win rate compared to Karthus's 20.0%, giving Smolder a 60.0 percentage point advantage. Game phase dynamics play a critical role here: Karthus controls the early laning stage, but Smolder outscales as the game goes longer. The matchup shifts dramatically depending on game length — Karthus needs to press advantages before Smolder reaches their power spikes, while Smolder should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Karthus leads by 0.3s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Smolder has a strong advantage in this matchup. Karthus players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Smolder overextending. Avoid prolonged trades and wait for team fights where positioning and coordination matter more. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Karthus vs Smolder Laning Phase Breakdown

Smolder wins the laning phase against Karthus in League of Legends

Smolder is favored during the laning phase against Karthus, winning 3 out of 5 key stat categories. Smolder holds advantages in farming, gold income and sustain, making them the stronger laner in this matchup.

Farming
5.8Karthus
7.8Smolder
Smolder significantly out-farms Karthus by 2.0 CS per minute, accumulating an estimated 30 CS lead by mid game. This substantial farming gap gives Smolder a major gold advantage and earlier item completions. Karthus players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
1,755Karthus
1,265Smolder
Karthus heavily out-damages Smolder by 490 DMG/min, dominating both short trades and all-in fights. Smolder should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Karthus's sustained damage advantage take over.
Economy
14,344Karthus
17,096Smolder
Smolder generates a commanding 2,752 more gold per game than Karthus. This substantial economic advantage means Smolder consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Karthus should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.7Karthus
0.3Smolder
Karthus provides 0.3 seconds more crowd control per minute than Smolder, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Karthus coordinate with their jungler and control the pace of skirmishes.
Sustain
541Karthus
804Smolder
Smolder vastly out-sustains Karthus, healing and mitigating 264 more damage per minute. This massive durability gap means Smolder can absorb significant punishment and remain in lane while Karthus is forced to recall. Building grievous wounds early is essential for Karthus, and focusing on burst trade patterns rather than sustained fights is critical.

Early Game vs Late Game

Early Game
Karthus
50.0%
+0.0% advantage
Karthus early game win rateKarthus50.0%
Smolder early game win rateSmolder50.0%
Late Game
Smolder
100.0%
+100.0% advantage
Karthus late game win rateKarthus0.0%
Smolder late game win rateSmolder100.0%

The early game (first 15 minutes) is a toss-up between Karthus and Smolder, with Karthus holding a razor-thin 50.0% win rate edge (+0.0%). Individual skill and jungle proximity will matter more than champion advantage in the early laning phase.

Smolder is far superior in the late game (25+ minutes), boasting a 100.0% win rate — 100.0 points above Karthus. Extended games heavily favor Smolder, whose kit and scaling make them a dominant force in team fights and objective control.

The power dynamics shift as the game progresses — Karthus has the edge early, but Smolder gradually takes over. However, the margins are slim enough that either champion can win at any stage with the right plays. Focus on taking advantages when you have them rather than waiting for a specific game phase.

Best Karthus Runes Against Smolder

Sorcery rune tree - Karthus primary runes vs SmolderSorcery
Deathfire Touch - best Karthus rune vs SmolderAxiom Arcanist - best Karthus rune vs SmolderTranscendence - best Karthus rune vs SmolderScorch - best Karthus rune vs Smolder
Precision rune tree - Karthus secondary runes vs SmolderPrecision
Last Stand - best Karthus rune vs SmolderPresence of Mind - best Karthus rune vs Smolder
0.0% WR

The Sorcery and Precision rune setup gives Karthus the best tools to compete against Smolder 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.

Karthus matchup win rates and stats in League of Legends patch 26.14
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
50.00%341.51,21014,46054.5%47.8%
53.85%261.71,10713,35375.0%44.4%
65.38%261.61,21314,12962.5%66.7%
42.86%211.61,27314,86962.5%30.8%
57.14%216.71,27214,85833.3%66.7%
66.67%216.91,36914,65075.0%61.5%
60.00%206.21,54715,16337.5%75.0%
47.37%192.31,29912,04137.5%54.5%
36.84%196.31,22212,59850.0%30.8%
63.16%191.31,18912,55066.7%61.5%
44.44%181.598412,23128.6%54.5%
41.18%171.31,17413,39350.0%36.4%
64.71%171.41,13313,53860.0%66.7%
58.82%176.11,29612,02328.6%80.0%
31.25%161.199810,23422.2%42.9%
37.50%161.21,03611,54922.2%57.1%
56.25%161.41,29115,82233.3%61.5%
53.33%153.81,15513,36371.4%37.5%
57.14%141.51,18916,77080.0%44.4%
71.43%141.11,31714,69160.0%77.8%
38.46%132.11,36416,13750.0%33.3%
69.23%131.71,10914,29450.0%77.8%
38.46%131.61,25013,79266.7%30.0%
38.46%131.91,01213,36340.0%37.5%
50.00%121.61,10111,97450.0%50.0%
50.00%121.31,07513,07060.0%42.9%
33.33%125.81,24213,03514.3%60.0%
36.36%111.21,17313,47040.0%33.3%
45.45%111.31,27013,00666.7%37.5%
45.45%111.41,19814,74550.0%44.4%
72.73%111.71,13312,27275.0%71.4%
40.00%106.41,24514,25550.0%37.5%
50.00%101.21,07211,23725.0%66.7%
60.00%103.81,32616,244100.0%55.6%
50.00%107.01,11913,92733.3%57.1%
50.00%106.11,27114,6470.0%62.5%
66.67%91.71,14715,247100.0%57.1%
77.78%96.61,16214,76466.7%83.3%
37.50%85.91,03911,3920.0%100.0%
87.50%84.11,12512,35175.0%100.0%
57.14%71.71,40716,43933.3%75.0%
57.14%76.81,18913,55850.0%60.0%
28.57%75.78099,61440.0%0.0%
71.43%75.31,42315,6410.0%83.3%
50.00%67.81,51610,97075.0%0.0%
16.67%66.81,0689,34925.0%0.0%
16.67%67.01,14313,26333.3%0.0%
66.67%65.71,15611,1440.0%100.0%
50.00%62.51,11011,40975.0%0.0%
66.67%67.51,51118,2240.0%80.0%
60.00%55.61,04712,658100.0%50.0%
60.00%51.41,36115,8020.0%75.0%
40.00%52.11,18610,48033.3%50.0%
60.00%52.31,12814,9440.0%75.0%
20.00%55.81,75514,34450.0%0.0%
40.00%57.01,62911,36466.7%0.0%
80.00%53.31,36913,229100.0%66.7%
40.00%53.21,67613,06650.0%33.3%
60.00%51.11,23114,7290.0%75.0%
100.00%21.51,21814,599100.0%100.0%

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Karthus vs Smolder - Frequently Asked Questions

How does Karthus do against Smolder in League of Legends?

Smolder wins the Karthus vs Smolder matchup with a 80.0% win rate compared to Karthus's 20.0%, a 60.0 percentage point difference. This data is based on 5 recent ranked games in patch 26.14.

How does Karthus do against Smolder in the early game?

In the early game, Karthus has the advantage against Smolder with a 50.0% win rate versus 50.0%. Karthus players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Karthus do against Smolder in the late game?

In the late game, Smolder takes over the Karthus vs Smolder matchup with a 100.0% win rate compared to 0.0%. Smolder scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Smolder matchup?

Smolder wins the matchup against Karthus with a 80.0% win rate in League of Legends patch 26.14. The 60.0 percentage point advantage means Smolder is significantly favored in this lane matchup based on 5 games analyzed.

What is the best Karthus build against Smolder?

The best Karthus build against Smolder includes optimized core items. Check the matchup breakdown above for the full item path and build order.

What are the best Karthus runes against Smolder?

The best Karthus runes against Smolder use the Sorcery primary tree with Precision secondary. This rune setup achieves a 0.0% win rate in the Karthus vs Smolder matchup. See the full rune breakdown in the matchup comparison above.

Does Karthus counter Smolder?

No, Karthus struggles against Smolder with only a 20.0% win rate. Smolder has the advantage in this matchup. Karthus players should focus on safe farming and avoiding extended trades to minimize Smolder's lead.

How do I play Karthus against Smolder?

When playing Karthus against Smolder, play cautiously and avoid Smolder's power spikes. Look for jungle assistance and team-dependent plays since Smolder has the statistical advantage at most stages. Use the matchup-specific build and runes above to optimize your chances.