Karthus is ranked Tier and has a 64.71% win rate in LoL ARAM Patch 9.24. We've analyzed 17 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Archangel's Staff (Quick Charge), Sorcerer's Shoes, Morellonomicon, Liandry's Torment, Rabadon's Deathcap, and Void Staff. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are Mark and Flash. Starting items should include Health Potion, Lost Chapter, Tear of the Goddess (Quick Charge), and Amplifying Tome. Karthus's Best ARAM matchups include Akali. Karthus's Best ARAM counters are Yasuo.
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Karthus Summoner Spells


Win %
Pick %
69%
94%
65%
100%

0%
6%
Karthus Starting Items

60%

60%

75%

60%
Karthus Runes
Win %
Pick %
54%
55%
87%
23%
100%
6%
Karthus Items

67%

73%

44%

57%

60%

67%

33%
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 Boots
Win %
Buy %

73%
88%

0%
6%