KarthusSupport counters

Off-meta Support

Jungle61%Bot23%Mid8%Top5%Support3%

Win: 43.9%; ▼6.1 vs Support
LP a game: −0.10; ±1.01
Games: 1,730; a win +22.2 · a loss −18.0
Pick · Ban: 0.06 · 0.45%; as Support · any role

Overview Build Runes Matchups Duos

Updated 24 Oct, 03:01 UTCHow we measure

Champions against Karthus

Find an opponent

Counters02+ pts over expected

Even1

Countered02+ pts under expected

Highest estimate first · the opponent's estimated win rate

Lux: Even lane, Lux 55.4% over 157 games.

Even lanemet in 9.1% of games

Lux

20th of 42 Support · 49.8% in Support · 157 games

Lux win rate

55.4%

157 games · 47.6%–63.0%

expected 54.2

▲ 1.2 pts over expectedThe range holds expected

Estimate 54.6%: the win rate pulled toward expected, more so the fewer games there are (157 here).

Lane at 15

Lux minus Karthus · 156 games

Gold+38

CS−2.2

XP+162

Dotted: Karthus's opponents on average (+38 gold).

Early and late

Under 25 min52.2%23 games

35 min or more46.4%56 games

Karthus LP a game

−0.4±3.4

Too few games to show what is played against Karthus: 300 are needed, this pair has 157.

Every opponent as a table30 with 20+ games

Support Karthus against each lane opponent with 20 games or more
Opponent
Milio	35	77.1%61%–88%	58.3%	+21.4	−443	−9.1	+20
Thresh	81	67.9%57%–77%	58.2%	+12.5	−477	−3.6	−143
Braum	33	66.7%50%–80%	57.3%	+10.4	−602	−9.3	−206
Sona	22	63.6%43%–80%	56.5%	+7.7	−300	−13.3	−119
Rell	36	63.9%48%–78%	56.4%	+8.4	−483	−9.1	−185
Alistar	33	66.7%50%–80%	56.4%	+11.5	−345	−12.6	−272
Leona	61	54.1%42%–66%	56.1%	−2.5	−497	−5.2	−260
Soraka	55	58.2%45%–70%	56.1%	+2.4	−303	−8.3	+19
Janna	24	50.0%31%–69%	55.7%	−6.1	−545	−10.7	−202
Nautilus	77	62.3%51%–72%	55.7%	+8.4	−349	−6.9	−34
Vel'Koz	35	62.9%46%–77%	55.7%	+8.1	+206	−3.5	+295
Nami	61	54.1%42%–66%	55.6%	−1.8	−394	−9.9	−11
Morgana	72	59.7%48%–70%	55.5%	+5.2	+122	−6.8	+226
Zyra	34	58.8%42%–74%	55.5%	+3.7	−117	−2.2	+232
Lulu	51	60.8%47%–73%	55.1%	+6.6	−494	−8.5	−46
Seraphine	79	54.4%44%–65%	54.9%	−0.6	−169	−5.6	−3
Brand	53	56.6%43%–69%	54.6%	+2.3	−182	−2.2	−41
Lux	157	55.4%48%–63%	54.6%	+1.2	+38	−2.2	+162
Rakan	28	50.0%33%–67%	54.3%	−4.7	−595	−7.6	−280
Senna	60	51.7%39%–64%	54.3%	−3.2	+67	−4.2	+147

Questions

Who counters Karthus in Support?

No opponent clearly beats Karthus in Support yet. Lux has the highest win rate: 55.4% over 157 games (95% range 47.6–63.0%). EUW Ranked, all ranks, patch 26.20.

What does Karthus beat in Support?

No opponent is clearly beaten yet. Karthus wins 44.6% of 157 games against Lux, its highest. EUW Ranked, all ranks, patch 26.20.

What is Karthus's win rate in Support?

43.9% over 1,730 games (95% range 41.5–46.2%). 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?

1,730 Karthus games in Support, against 1 opponents with 100+ games each. EUW Ranked, all ranks, patch 26.20, 7–21 Oct 2026.