Tier: DWin39.55%Role8.68%Pick0.15%Ban0.00%Games: 74KDA: 1.69Score: 46.53
Karthus Support is ranked D Tier and has a 39.55% win rate in LoL Swiftplay Patch 25.08. We've analyzed 74 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Torment, Shadowflame, Zaz'Zak's Realmspike, Morellonomicon, and Rabadon's Deathcap. For runes, the strongest choice is Sorcery (Primary) with Arcane Comet (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are Flash and Exhaust. Starting items should include World Atlas, Health Potion, and Stealth Ward. Karthus's Best Swiftplay Support matchups include Blitzcrank and Vel'Koz.
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Karthus Summoner Spells


Win %
Pick %
42%
100%
47%
74%

15%
18%

50%
3%

50%
3%

50%
3%
Karthus Starting Items
Win %
Buy %


2

41%
95%
Karthus Runes
Win %
Pick %
47%
49%
60%
14%
27%
14%
35%
7%
Karthus Items

41%

38%

45%

43%

42%

42%

45%

0%
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 %

45%
84%

31%
49%

50%
3%
Karthus Boots
Win %
Buy %

41%
89%

60%
7%
Karthus Support Items
Win %
Buy %

43%
57%

100%
1%

33%
4%

0%
1%