Tier: Off MetaWin70.31%Role6.78%Pick0.18%Ban0.00%Games: 91KDA: 2.12Score: 54.99
Karthus Support is ranked Off Meta Tier and has a 70.31% win rate in LoL Swiftplay Patch 25.16. We've analyzed 91 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Blackfire Torch, Sorcerer's Shoes, Malignance, Liandry's Torment, Shadowflame, 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 Exhaust and Flash. Starting items should include Boots, Health Potion, and Stealth Ward. Karthus's Best Swiftplay Support matchups include Morgana, Nautilus, and Seraphine. Karthus's Best Swiftplay Support counters are Lux.
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Karthus Summoner Spells


Win %
Pick %
58%
81%
59%
77%

55%
24%

67%
7%

40%
5%

25%
4%
Karthus Starting Items
Win %
Buy %


2

100%
1%
Karthus Runes
Win %
Pick %
64%
50%
63%
18%
57%
7%
29%
8%
Karthus Items

59%

65%

56%

64%

58%

56%

57%

58%
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 %

57%
91%

58%
53%
Karthus Boots
Win %
Buy %

65%
78%

50%
7%

0%
1%
Karthus Support Items
Win %
Buy %

56%
86%

0%
1%