Tier: SWin48.02%Role10.27%Pick0.19%Ban0.00%Games: 190KDA: 1.94Score: 50.01
Karthus Mid Lane is ranked S Tier and has a 48.02% win rate in LoL Swiftplay Patch 25.06. We've analyzed 190 Karthus Mid Lane 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 Rabadon's Deathcap. 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 Ignite. Starting items should include Doran's Ring, Health Potion, and Oracle Lens. Karthus's Best Swiftplay Mid Lane matchups include Ahri, Akali, and Yone. Karthus's Best Swiftplay Mid Lane counters are Aurora, Azir, and Sylas.
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Karthus Summoner Spells


Win %
Pick %
51%
78%
57%
42%

51%
44%

61%
19%

43%
7%

67%
3%
Karthus Starting Items
Win %
Buy %


2

52%
64%


2

60%
3%
Karthus Runes
Win %
Pick %
54%
44%
51%
22%
60%
18%
47%
3%
Karthus Items

51%

50%

54%

54%

56%

56%

54%

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 %

54%
97%

53%
8%

44%
5%
Karthus Boots
Win %
Buy %

50%
65%

68%
15%

50%
2%

33%
3%

0%
1%
Karthus Situational Items
Win %
Buy %

63%
20%

61%
19%

48%
17%

53%
10%

71%
7%

45%
11%