Tier: Off MetaWin45.83%Role10.30%Pick0.20%Games: 24KDA: 2.13Score: 46.05
Karthus Support is ranked Off Meta Tier and has a 45.83% win rate in LoL Ultimate Spellbook Patch 11.24. We've analyzed 24 Karthus Support games to compile our statistical Karthus Spellbook Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Archangel's Staff, Rabadon's Deathcap, Void Staff, and Shard of True Ice. For runes, the strongest choice is Inspiration (Primary) with First Strike (Keystone), and Domination (Secondary). The optimal Summoner Spells for this build are Placeholder and Flash. Starting items should include Tear of the Goddess, Spellthief's Edge, Health Potion, and Stealth Ward. Karthus's Best Spellbook Support matchups include Lux.
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Karthus Summoner Spells


Win %
Pick %
46%
100%
41%
92%

100%
8%
Karthus Starting Items
Win %
Buy %



3

56%
38%




57%
29%
Karthus Runes
Win %
Pick %
66%
26%
59%
12%
100%
8%
30%
14%
Karthus Items

45%

50%

64%

62%

88%

0%

50%

70%
Karthus Skill Order
![]() | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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![]() | W | W | W | W | W | |||||||||||||
![]() | E | E | E | E | E | |||||||||||||
![]() | R | R | R |
Karthus Item Purchase Order




















Karthus Ultimate Spellbook Stats

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Karthus Trinkets
Win %
Buy %

50%
58%

29%
71%
Karthus Boots
Win %
Buy %

50%
42%

44%
38%
Karthus Mythic Items
Win %
Buy %

45%
83%

60%
21%