Tier: Off MetaWin59.52%Role9.47%Pick0.19%Games: 12KDA: 1.95Score: 51.06
Karthus Support is ranked Off Meta Tier and has a 59.52% win rate in LoL Ultimate Spellbook Patch 11.24. We've analyzed 12 Karthus Support games to compile our statistical Karthus Spellbook Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Rabadon's Deathcap, Demonic Embrace, Shadowflame, and Shard of True Ice. For runes, the strongest choice is Inspiration (Primary) with First Strike (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Placeholder and Ignite. Starting items should include Amplifying Tome, Spellthief's Edge, Health Potion, and Oracle Lens. Karthus's Best Spellbook Support counters are Pyke.
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Karthus Summoner Spells


Win %
Pick %
42%
100%
75%
33%

25%
67%
Karthus Starting Items
Win %
Buy %



2

43%
58%


2
0%
8%
Karthus Runes
Win %
Pick %
64%
39%
46%
18%
100%
8%
0%
8%
Karthus Items

50%

50%

50%

67%

40%

50%

44%

50%
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 %

44%
75%

33%
50%
Karthus Boots
Win %
Buy %

50%
33%

0%
33%
Karthus Mythic Items
Win %
Buy %

50%
83%

0%
17%