Tier: Off MetaWin52.12%Role9.82%Pick0.20%Ban0.00%Games: 52KDA: 2.54Score: 52.18
Karthus Support is ranked Off Meta Tier and has a 52.12% win rate in LoL Swiftplay Patch 25.15. We've analyzed 52 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Malignance, Blackfire Torch, Sorcerer's Shoes, Liandry's Torment, Zaz'Zak's Realmspike, and Shadowflame. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Teleport and Exhaust. Starting items should include Sapphire Crystal and Control Ward. Karthus's Best Swiftplay Support counters are Seraphine and Yuumi.
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Karthus Summoner Spells


Win %
Pick %
56%
52%
54%
46%

55%
42%

57%
40%

50%
4%

13%
15%
Karthus Starting Items
Win %
Buy %


2
100%
2%
Karthus Runes
Win %
Pick %
55%
54%
50%
23%
75%
8%
33%
6%
Karthus Items

55%

59%

53%

61%

54%

43%

49%

36%
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 %

49%
90%

47%
33%
Karthus Boots
Win %
Buy %

53%
69%

0%
2%
Karthus Support Items
Win %
Buy %

54%
71%