Tier: Off MetaWin25.00%Role26.79%Pick0.19%Ban0.00%Games: 3KDA: 1.39Score: 42.81
Karthus Support is ranked Off Meta Tier and has a 25.00% win rate in LoL Swiftplay Patch 25.05. We've analyzed 3 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Zaz'Zak's Realmspike, Rabadon's Deathcap, Liandry's Torment, Horizon Focus, Void Staff, and Stormsurge. 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 and Health Potion.
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Karthus Summoner Spells


Win %
Pick %
50%
67%
33%
100%

0%
33%
Karthus Starting Items
Win %
Buy %


2
33%
100%
Karthus Runes
Win %
Pick %
100%
33%
0%
33%
0%
33%
Karthus Items

0%

50%

25%

50%

50%

50%

50%

36%
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 %

50%
67%

0%
33%
Karthus Support Items
Win %
Buy %

0%
67%