Tier: Off MetaWin29.63%Role19.17%Pick0.34%Ban0.00%Games: 34KDA: 1.72Score: 46.98
Karthus Support is ranked Off Meta Tier and has a 29.63% win rate in LoL Swiftplay Patch 25.15. We've analyzed 34 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Sorcerer's Shoes, Blackfire Torch, Zaz'Zak's Realmspike, Shadowflame, Liandry's Torment, and Stormsurge. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Exhaust and Ignite. Starting items should include Sapphire Crystal, Health Potion, and Stealth Ward. Karthus's Best Swiftplay Support matchups include Lux.
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Karthus Summoner Spells


Win %
Pick %
36%
82%
64%
32%

23%
65%

50%
18%

100%
3%
Karthus Starting Items
Win %
Buy %



100%
3%
Karthus Runes
Win %
Pick %
44%
40%
100%
15%
38%
8%
17%
18%
Karthus Items

35%

47%

28%

47%

58%

70%

41%

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 %

41%
85%

32%
74%

0%
6%
Karthus Boots
Win %
Buy %

35%
91%

0%
3%
Karthus Support Items
Win %
Buy %

28%
53%