Tier: Off MetaWin72.50%Role13.17%Pick0.19%Ban0.00%Games: 13KDA: 1.70Score: 56.46
Karthus Support is ranked Off Meta Tier and has a 72.50% win rate in LoL Swiftplay Patch 25.06. We've analyzed 13 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Zaz'Zak's Realmspike, Blackfire Torch, Liandry's Torment, 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 Flash. Starting items should include World Atlas, Health Potion, and Stealth Ward. Karthus's Best Swiftplay Support matchups include Lux.
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Karthus Summoner Spells


Win %
Pick %
100%
54%
63%
62%

100%
23%

100%
8%

100%
8%

20%
38%
Karthus Starting Items
Win %
Buy %


2

75%
92%

0%
8%
Karthus Runes
Win %
Pick %
89%
68%
100%
8%
0%
15%
0%
8%
Karthus Items

63%

67%

50%

67%

83%

50%

56%

100%
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 %

56%
69%

83%
46%
Karthus Boots
Win %
Buy %

67%
69%

100%
8%

100%
8%
Karthus Support Items
Win %
Buy %

50%
46%

100%
8%