KarthusSupport counters

Off-meta Support

Jungle61%Bot23%Mid8%Top5%Support3%

Win: 43.3%; ▼6.7 vs Support
LP a game: −0.40; ±1.12
Games: 1,420; a win +22.4 · a loss −18.2
Pick · Ban: 0.06 · 0.45%; as Support · any role

Overview Build Runes Matchups Duos

Updated 18 Oct, 12:52 UTCHow we measure

Champions against Karthus

Find an opponent

Counters02+ pts over expected

Even1

Countered02+ pts under expected

Most met first · the opponent's win rate

Lux: Even lane, Lux 57.5% over 127 games.

Even lanemet in 8.9% of games

Lux

19th of 42 Support · 49.9% in Support · 127 games

Lux win rate

57.5%

127 games · 48.8%–65.7%

expected 54.3

▲ 3.2 pts over expectedThe range holds expected

Lane at 15

Lux minus Karthus · 126 games

Gold−35

CS−2.8

XP+106

Dotted: Karthus's opponents on average (−35 gold).

Early and late

Under 25 min52.4%21 games

35 min or more51.1%45 games

Karthus LP a game

−0.9±3.9

Every opponent as a table26 with 20+ games

Support Karthus against each lane opponent with 20 games or more
Opponent
Lux	127	57.5%49%–66%	+3.2	−35	−2.8	+106
Thresh	67	70.2%58%–80%	+14.6	−523	−3.7	−214
Seraphine	62	58.1%46%–70%	+3.1	−208	−6.6	−24
Nautilus	61	62.3%50%–73%	+8.2	−378	−8.2	−22
Morgana	59	59.3%47%–71%	+4.7	+106	−8.3	+124
Senna	53	54.7%41%–67%	−0.2	+54	−4.4	+98
Nami	52	51.9%39%–65%	−4.2	−473	−11.2	−96
Leona	49	53.1%39%–66%	−3.6	−509	−5.2	−230
Brand	46	56.5%42%–70%	+2.1	−238	−2.2	−112
Soraka	43	53.5%39%–67%	−2.5	−335	−8.0	−42
Pyke	43	48.8%35%–63%	−4.0	−14	−8.2	−75
Lulu	42	64.3%49%–77%	+10.1	−421	−8.6	+4
Blitzcrank	40	45.0%31%–60%	−10.3	−577	−10.4	−189
Yuumi	37	54.1%38%–69%	+1.5	−394	−20.0	+275
Swain	35	40.0%26%–56%	−13.6	−108	−2.0	+133
Pantheon	30	50.0%33%–67%	−2.5	+170	−9.1	−409
Zyra	30	60.0%42%–75%	+4.7	−118	−0.5	+334
Vel'Koz	30	60.0%42%–75%	+5.2	+197	−4.4	+210
Alistar	28	67.9%49%–82%	+12.7	−274	−12.4	−200
Xerath	27	59.3%41%–75%	+5.1	+358	−2.6	+246

Questions

Who counters Karthus in Support?

No opponent clearly beats Karthus in Support yet. Lux has the highest win rate: 57.5% over 127 games (95% range 48.8–65.7%). EUW Ranked, all ranks, patch 26.20.

What does Karthus beat in Support?

No opponent is clearly beaten yet. Karthus wins 42.5% of 127 games against Lux, its highest. EUW Ranked, all ranks, patch 26.20.

What is Karthus's win rate in Support?

43.3% over 1,420 games (95% range 40.8–45.9%). EUW Ranked, all ranks, patch 26.20.

Which matchups are even for Karthus in Support?

1 of 1 opponents with 100+ games, such as Lux: their win rate range includes 50%, so neither side has a clear edge.

How many games is this based on?

1,420 Karthus games in Support, against 1 opponents with 100+ games each. EUW Ranked, all ranks, patch 26.20, 7–18 Oct 2026.