Tier: Off MetaWin69.23%Role14.61%Pick0.31%Ban0.00%Games: 13KDA: 2.30Score: 61.19
Karthus Support is ranked Off Meta Tier and has a 69.23% win rate in LoL Swiftplay Patch 25.16. We've analyzed 13 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Morellonomicon, Sorcerer's Shoes, Blackfire Torch, Malignance, Horizon Focus, and Zaz'Zak's Realmspike. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Flash and Heal. Starting items should include Amplifying Tome, Health Potion, and Stealth Ward.
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Karthus Summoner Spells


Win %
Pick %
75%
62%
67%
46%

60%
38%

100%
23%

50%
31%
Karthus Starting Items
Win %
Buy %


2

100%
8%
Karthus Runes
Win %
Pick %
67%
46%
60%
38%
100%
8%
100%
8%
Karthus Items

50%

80%

80%

63%

60%

60%

69%
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 %

69%
100%

100%
23%
Karthus Boots
Win %
Buy %

80%
38%
Karthus Support Items
Win %
Buy %

60%
77%