Tier: Off MetaWin66.67%Role5.36%Pick0.09%Ban0.00%Games: 3KDA: 2.50Score: 61.75
Karthus Support is ranked Off Meta Tier and has a 66.67% win rate in LoL Swiftplay Patch 25.04. We've analyzed 3 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Blackfire Torch, Zaz'Zak's Realmspike, Rabadon's Deathcap, and Void Staff. For runes, the strongest choice is Inspiration (Primary) with First Strike (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Exhaust and Teleport. Starting items should include World Atlas and Health Potion.
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Karthus Summoner Spells
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Win %
Pick %
100%
67%
100%
33%
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100%
33%
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0%
33%
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0%
33%
Karthus Starting Items
Win %
Buy %


2
67%
100%
Karthus Runes
Win %
Pick %
100%
33%
100%
33%
0%
33%
Karthus Items

100%

100%

67%

0%

100%

100%

67%
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
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

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

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

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
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
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
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Karthus Trinkets
Win %
Buy %

67%
100%
Karthus Boots
Win %
Buy %

100%
67%
Karthus Support Items
Win %
Buy %

0%
33%