Tier: AWin57.92%Role6.26%Pick0.12%Ban0.00%Games: 136KDA: 2.02Score: 56.12
Karthus Support is ranked A Tier and has a 57.92% win rate in LoL Swiftplay Patch 25.14. We've analyzed 136 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Blackfire Torch, Liandry's Torment, Shadowflame, 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 Exhaust. Starting items should include Doran's Ring, Health Potion, and Stealth Ward. Karthus's Best Swiftplay Support matchups include Malphite, Milio, and Senna. Karthus's Best Swiftplay Support counters are Blitzcrank, Brand, and Lulu.
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Karthus Summoner Spells


Win %
Pick %
55%
83%
49%
57%

51%
26%

56%
12%

47%
13%

63%
6%
Karthus Starting Items
Win %
Buy %


2

0%
1%
Karthus Runes
Win %
Pick %
62%
42%
51%
23%
40%
17%
38%
3%
Karthus Items

52%

51%

49%

52%

57%

49%

52%

50%
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 %

52%
82%

46%
60%

67%
4%
Karthus Boots
Win %
Buy %

51%
71%

46%
10%

50%
1%

0%
1%

0%
1%
Karthus Support Items
Win %
Buy %

49%
61%

33%
2%

100%
1%