Tier: Off MetaWin40.23%Role9.79%Pick0.15%Ban0.00%Games: 131KDA: 1.97Score: 46.97
Karthus Support is ranked Off Meta Tier and has a 40.23% win rate in LoL Swiftplay Patch 25.S1.1. We've analyzed 131 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Shadowflame, Liandry's Torment, Rabadon's Deathcap, and Zaz'Zak's Realmspike. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Flash and Ignite. Starting items should include World Atlas, Health Potion, and Oracle Lens. Karthus's Best Swiftplay Support matchups include Pantheon, Rell, and Shaco. Karthus's Best Swiftplay Support counters are Galio, Lulu, and Blitzcrank.
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Karthus Summoner Spells
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Win %
Pick %
51%
89%
51%
40%

42%
46%

56%
12%

60%
8%

50%
3%
Karthus Starting Items
Win %
Buy %


2

51%
92%


2

33%
2%
Karthus Runes
Win %
Pick %
55%
51%
58%
15%
37%
16%
67%
4%
Karthus Items

55%

52%

57%

55%

68%

51%

47%

56%
Karthus Skill Order
![]() | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | Q | Q | Q | Q | Q | |||||||||||||
![]() | W | W | W | W | W | |||||||||||||
![]() | E | E | E | E | E | |||||||||||||
![]() | R | R | R |
Karthus Item Purchase Order



















Karthus Trinkets
Win %
Buy %

47%
75%

52%
60%

83%
5%
Karthus Boots
Win %
Buy %

52%
69%

82%
29%

70%
8%

100%
2%

0%
1%
Karthus Support Items
Win %
Buy %

51%
65%

50%
3%

50%
2%

100%
1%

100%
1%