Tier: Off MetaWin41.67%Role5.72%Pick0.05%Ban0.45%Games: 8KDA: 1.81Score: 47.19
Karthus Support is ranked Off Meta Tier and has a 41.67% win rate in LoL Patch 9.24. We've analyzed 8 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Mejai's Soulstealer, Ionian Boots of Lucidity, Rabadon's Deathcap, Seraph's Embrace, Shard of True Ice, and Twin Shadows. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Barrier and Flash. Starting items should include Health Potion, Spellthief's Edge, Dark Seal, Spectral Sickle, and Warding Totem (Trinket).
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Karthus Summoner Spells


Win %
Pick %
50%
75%
38%
100%

0%
25%
Karthus Starting Items

41%

43%

100%

0%

38%
Karthus Runes
Win %
Pick %
36%
69%
60%
21%
Karthus Items

67%

25%

67%

50%

43%

100%

43%
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 Trinkets
Win %
Buy %

43%
88%

38%
100%
Karthus Boots
Win %
Buy %

25%
50%

33%
38%