Tier: Off MetaWin33.33%Role2.74%Pick0.02%Ban2.83%Games: 4KDA: 2.36Score: 45.53
Karthus Support is ranked Off Meta Tier and has a 33.33% win rate in LoL Patch 25.04. We've analyzed 4 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Rabadon's Deathcap, Liandry's Torment, Zhonya's Hourglass, and Bloodsong. For runes, the strongest choice is Sorcery (Primary) with Summon Aery (Keystone), and Resolve (Secondary). The optimal Summoner Spells for this build are Flash and Ghost. Starting items should include World Atlas, Health Potion, and Stealth Ward.
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Karthus Summoner Spells
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
Win %
Pick %
33%
75%
50%
50%

100%
25%

100%
25%

0%
25%
Karthus Starting Items
Win %
Buy %


2

50%
50%

0%
25%
Karthus Runes
Win %
Pick %
100%
25%
46%
54%
Karthus Items

67%

33%

100%

50%

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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








Karthus Trinkets
Win %
Buy %

67%
75%

50%
50%

0%
50%
Karthus Boots
Win %
Buy %

67%
75%
Karthus Support Items
Win %
Buy %

100%
25%

0%
25%
Duos and Counters

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