Tier: BWin53.63%Pick5.09%Games: 317KDA: 2.64Score: 47.65
Karthus is ranked B Tier and has a 53.63% win rate in LoL ARAM Patch 25.12. We've analyzed 317 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Liandry's Torment, Shadowflame, Rabadon's Deathcap, and Void Staff. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Mark and Flash. Starting items should include Lost Chapter and Health Potion. Karthus's Best ARAM matchups include Smolder, Yasuo, and Dr. Mundo. Karthus's Best ARAM counters are Swain, Brand, and Irelia.
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Karthus Summoner Spells


Win %
Pick %
55%
93%
54%
94%

48%
7%

75%
1%

100%
1%

13%
3%
Karthus Starting Items
Win %
Buy %


2
55%
70%


2
45%
3%
Karthus Runes
Win %
Pick %
52%
50%
55%
28%
55%
5%
80%
1%
Karthus Items

53%

53%

55%

52%

54%

55%

49%
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 Situational Items
Win %
Buy %

55%
37%

56%
14%

62%
8%

48%
9%

43%
9%

53%
5%
Karthus Boots
Win %
Buy %

53%
62%

33%
2%