Karthus - League of Legends Champion
Win Rate
50.0%
Pick Rate
1.1%

Karthusvs Smolder

CMage
Patch26.11
Matches776,441
LaneAll Lanes
TierAll Tiers
Last UpdatedJun 6, 2026
MethodologyData Methodology

Karthus vs Smolder is a very close matchup in LoL patch 26.11. Karthus wins with a 50.0% win rate (+0.0%) over Smolder based on 42 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 - 50.0% win rate in this matchup
Karthus
50.0% WR
VS
Smolder vs Karthus matchup - 50.0% win rate
Smolder
50.0% WR

Who Wins the Karthus vs Smolder Matchup?

Karthus wins the Karthus vs Smolder matchup
Winner
Karthus
Matches: 42
50.0%
Win Rate
50.0%
6.6
CS / min
6.9
1,197
DMG / min
945
13,070
Gold / game
13,167
76
Heal / min
187
397
DMG Mitigated / min
376
0.6
CC / min
0.4
66.7%
Early Game WR
33.3%
33.3%
Late Game WR
66.7%

Karthus vs Smolder Matchup Summary

The Karthus vs Smolder matchup is essentially a coin-flip matchup in League of Legends ranked play. Based on 42 recent matches analyzed, Karthus wins with a 50.0% win rate compared to Smolder's 50.0%, giving Karthus a 0.0 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. Karthus has a statistical edge, but the margin is close enough that respecting Smolder's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. 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
6.6Karthus
6.9Smolder
Smolder edges out Karthus by 0.3 CS per minute — a moderate farming advantage that adds up to roughly 5 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Smolder.
Damage
1,197Karthus
945Smolder
Karthus heavily out-damages Smolder by 252 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
13,070Karthus
13,167Smolder
Karthus and Smolder generate nearly equal gold per game, with just a 97 gold difference. Neither champion has a clear economic advantage, so gold leads will depend on individual play quality, kill participation, and objective contributions.
Utility
0.6Karthus
0.4Smolder
Both Karthus and Smolder provide similar amounts of crowd control (0.3s/min difference), meaning neither has a significant advantage in locking down opponents for ganks or team fights. Lane ganks are equally effective for both sides.
Sustain
473Karthus
563Smolder
Smolder heals and mitigates 90 more damage per minute than Karthus, providing moderate extra durability. This sustain edge allows Smolder to stay in lane longer between recalls and gradually win extended wars of attrition. Consider building early grievous wounds if playing Karthus.

Early Game vs Late Game

Early Game
Karthus
66.7%
+33.3% advantage
Karthus early game win rateKarthus66.7%
Smolder early game win rateSmolder33.3%
Late Game
Smolder
66.7%
+33.3% advantage
Karthus late game win rateKarthus33.3%
Smolder late game win rateSmolder66.7%

Karthus dominates the early game (first 15 minutes) with a commanding 66.7% win rate — a 33.3 percentage point lead over Smolder. This lopsided early game means Karthus can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Smolder is far superior in the late game (25+ minutes), boasting a 66.7% win rate — 33.3 points above Karthus. Extended games heavily favor Smolder, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Karthus must aggressively press their early advantage and close out the game before Smolder reaches their scaling breakpoints. If Smolder 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 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
40.0% WR

The Sorcery primary with Precision secondary combination helps Karthus maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Smolder.


Karthus matchup data for League of Legends patch 26.11. 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 26.11
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
49.09%551.41,03012,95747.8%50.0%
43.64%551.71,17013,03740.0%46.7%
45.10%511.61,05713,34631.8%55.2%
59.18%496.31,29113,60950.0%65.5%
52.08%481.51,25914,65547.1%54.8%
42.22%451.51,01713,07143.8%41.4%
37.78%451.31,02712,76840.9%34.8%
64.44%456.51,32616,02286.7%53.3%
50.00%426.61,19713,07066.7%33.3%
43.59%396.31,21513,23850.0%36.8%
57.89%381.41,26313,76053.3%60.9%
47.37%381.51,14413,40237.5%54.5%
34.21%381.91,06712,86740.0%30.4%
43.24%371.81,21213,46357.1%34.8%
38.24%347.01,24713,84233.3%42.1%
46.88%321.81,14612,84538.5%52.6%
43.33%301.81,29414,56958.3%33.3%
55.17%296.11,20312,39066.7%42.9%
46.43%281.41,03012,47453.3%38.5%
57.14%286.61,42315,21450.0%62.5%
40.74%271.31,33515,99216.7%47.6%
28.00%251.81,16313,29530.0%26.7%
66.67%241.61,14614,33775.0%58.3%
45.45%221.51,30714,90550.0%44.4%
66.67%212.21,20113,57277.8%58.3%
55.00%201.61,26713,96860.0%50.0%
68.42%195.61,49616,092100.0%60.0%
63.16%191.31,11614,40962.5%63.6%
38.89%181.51,44814,53542.9%36.4%
55.56%186.41,27613,45466.7%44.4%
72.22%185.11,12111,32260.0%87.5%
35.29%171.51,05612,45536.4%33.3%
52.94%171.31,37015,16157.1%50.0%
76.47%176.51,26315,48280.0%75.0%
47.06%171.596012,24444.4%50.0%
52.94%176.51,33013,71966.7%45.5%
43.75%161.41,24415,49750.0%41.7%
56.25%161.31,08013,22180.0%45.5%
53.33%155.41,37313,67875.0%45.5%
35.71%141.61,23913,56744.4%20.0%
28.57%146.71,35911,93450.0%12.5%
42.86%142.41,25014,77740.0%44.4%
50.00%141.61,08215,54125.0%60.0%
69.23%136.51,30513,96557.1%83.3%
61.54%136.51,25612,93960.0%62.5%
53.85%132.51,05212,27675.0%44.4%
58.33%125.91,02710,26957.1%60.0%
83.33%121.31,22913,18380.0%85.7%
50.00%125.41,34014,96775.0%37.5%
45.45%111.41,03113,14557.1%25.0%
72.73%111.61,02712,997100.0%57.1%
27.27%115.91,13213,2320.0%42.9%
30.00%103.21,05913,47225.0%33.3%
70.00%107.41,27115,568100.0%57.1%
70.00%102.91,14415,271100.0%62.5%
50.00%107.21,13812,21650.0%50.0%
40.00%102.91,37615,5780.0%44.4%
55.56%95.51,26613,15150.0%60.0%
33.33%94.992710,92520.0%50.0%
44.44%96.21,07210,46733.3%66.7%
55.56%93.31,21214,875100.0%42.9%
55.56%91.41,25215,076100.0%42.9%
77.78%92.91,16514,15366.7%83.3%
33.33%92.11,19513,83433.3%33.3%
87.50%81.31,11314,33780.0%100.0%
25.00%81.31,28513,22250.0%16.7%
87.50%86.41,18214,46450.0%100.0%
75.00%81.71,65016,96550.0%83.3%
75.00%86.71,19715,02375.0%75.0%
62.50%82.099113,519100.0%50.0%
37.50%81.799613,5240.0%50.0%
57.14%76.31,63217,174100.0%50.0%
42.86%72.91,10811,95025.0%66.7%
14.29%71.190712,62625.0%0.0%
71.43%76.91,20214,28450.0%80.0%
85.71%75.51,33217,1080.0%85.7%
42.86%74.11,21013,9640.0%50.0%
28.57%76.01,44213,3670.0%40.0%
57.14%77.01,42713,69033.3%75.0%
57.14%72.41,12412,10740.0%100.0%
85.71%71.01,06214,10450.0%100.0%
50.00%67.11,38812,74350.0%50.0%
33.33%66.81,14411,4860.0%66.7%
66.67%64.21,44015,135100.0%60.0%
33.33%62.39659,7790.0%50.0%
33.33%62.51,07412,12050.0%0.0%
33.33%66.61,31611,4480.0%66.7%
16.67%65.81,30313,2700.0%25.0%
50.00%62.51,43716,7350.0%75.0%
20.00%56.31,40913,9390.0%33.3%
40.00%55.37986,5180.0%100.0%
40.00%51.11,41814,8040.0%50.0%
40.00%53.41,19015,0350.0%50.0%
60.00%54.61,65613,73266.7%50.0%
80.00%56.71,33110,47066.7%100.0%
60.00%52.01,29214,405100.0%50.0%
20.00%56.01,20610,84633.3%0.0%
40.00%56.71,01212,7100.0%50.0%
40.00%56.31,48213,690100.0%25.0%
60.00%55.91,40013,38366.7%50.0%
40.00%56.51,1899,67725.0%100.0%

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Karthus vs Smolder - Frequently Asked Questions

How does Karthus do against Smolder in League of Legends?

Karthus wins the Karthus vs Smolder matchup with a 50.0% win rate compared to Smolder's 50.0%, a 0.0 percentage point difference. This data is based on 42 recent ranked games in patch 26.11.

How does Karthus do against Smolder in the early game?

In the early game, Karthus has the advantage against Smolder with a 66.7% win rate versus 33.3%. 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 66.7% win rate compared to 33.3%. Smolder scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Smolder matchup?

Karthus wins the matchup against Smolder with a 50.0% win rate in League of Legends patch 26.11. The 0.0 percentage point advantage means Karthus is slightly favored in this lane matchup based on 42 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 40.0% win rate in the Karthus vs Smolder matchup. See the full rune breakdown in the matchup comparison above.

Does Karthus counter Smolder?

Yes, Karthus has a favorable matchup against Smolder with a 50.0% win rate. Karthus slightly edges out Smolder in lane based on current patch 26.11 data.

How do I play Karthus against Smolder?

When playing Karthus against Smolder, leverage your statistical advantages by trading aggressively during favorable windows. You have early game priority — look for kills and zone control before first recall. Build the recommended items and runes for this specific matchup for the best results.