Tier: Off MetaWin58.70%Role4.96%Pick0.08%Ban0.61%Games: 99KDA: 2.24Score: 58.94
Karthus Support is ranked Off Meta Tier and has a 58.70% win rate in LoL Patch 14.23. We've analyzed 99 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Blackfire Torch, 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 World Atlas, Health Potion, and Oracle Lens. Karthus's Best Support matchups include Lux, Leona, and Lulu. Karthus's Best Support counters are Nautilus, Teemo, and Pyke.
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Karthus Summoner Spells


Win %
Pick %
61%
75%
59%
76%

52%
23%

56%
18%

40%
5%

50%
2%
Karthus Starting Items
Win %
Buy %


2

59%
87%


2
100%
2%
Karthus Runes
Win %
Pick %
59%
44%
61%
35%
44%
11%
100%
1%
Karthus Items

59%

64%

74%

71%

74%

62%

64%

71%
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 %

64%
65%

56%
55%

100%
1%
Karthus Boots
Win %
Buy %

64%
65%

64%
11%
Karthus Support Items
Win %
Buy %

62%
70%

100%
1%