Tier: Off MetaWin67.18%Role3.44%Pick0.03%Ban0.18%Games: 44KDA: 2.33Score: 57.20
Karthus Support is ranked Off Meta Tier and has a 67.18% win rate in LoL Patch 10.25. We've analyzed 44 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Zhonya's Hourglass, Morellonomicon, Shard of True Ice, and Seraph's Embrace. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Flash and Exhaust. Starting items should include Spellthief's Edge, Health Potion, and Stealth Ward. Karthus's Best Support matchups include Senna. Karthus's Best Support counters are Nami, Nautilus, and Zilean.
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Karthus Summoner Spells


Win %
Pick %
53%
98%
48%
52%

64%
25%

57%
16%

67%
7%

100%
2%
Karthus Starting Items
Win %
Buy %


2

55%
66%


2

40%
11%
Karthus Runes
Win %
Pick %
69%
34%
78%
9%
54%
9%
27%
22%
Karthus Items

59%

56%

63%

79%

53%

56%

63%

63%
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 %

63%
73%

50%
86%

50%
14%
Karthus Boots
Win %
Buy %

56%
89%

50%
5%
Karthus Mythic Items
Win %
Buy %

59%
50%

64%
32%

100%
2%

100%
2%

0%
11%