Tier: BWin62.23%Pick5.85%Games: 97KDA: 3.55Score: 55.54
Karthus is ranked B Tier and has a 62.23% win rate in LoL ARAM Patch 25.04. We've analyzed 97 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Blackfire Torch, Malignance, Liandry's Torment, Sorcerer's Shoes, 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 Mark. Starting items should include Lost Chapter and Health Potion. Karthus's Best ARAM matchups include Ambessa, Amumu, and Azir. Karthus's Best ARAM counters are Cho'Gath, Galio, and Sejuani.
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Karthus Summoner Spells
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
Win %
Pick %
48%
94%
47%
72%

50%
10%

75%
4%

43%
7%

33%
6%
Karthus Starting Items
Win %
Buy %


4
45%
67%


2
60%
10%
Karthus Runes
Win %
Pick %
45%
48%
52%
33%
44%
9%
69%
2%
Karthus Items

53%

44%

47%

53%

43%

49%

38%
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 %

41%
30%

50%
10%

44%
9%

44%
9%

100%
4%

100%
1%
Karthus Boots
Win %
Buy %

53%
59%

44%
9%