Karthus is ranked Tier and has a 50.42% win rate in LoL ARAM Patch 10.25. We've analyzed 41 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Rabadon's Deathcap, Zhonya's Hourglass, Void Staff, and Seraph's Embrace. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Precision (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 Kai'Sa, Nautilus, and Singed. Karthus's Best ARAM counters are Fizz, Irelia, and Kha'Zix.
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Karthus Summoner Spells
Win %
Pick %
49%
100%
43%
68%
75%
10%
100%
5%
50%
10%
100%
2%
Karthus Starting Items
Win %
Buy %
2
52%
51%
0%
2%
Karthus Runes
Win %
Pick %
47%
54%
63%
10%
42%
8%
67%
4%
Karthus Items
46%
47%
53%
59%
46%
67%
42%
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
34001100
3800
2500
2500Karthus Mythic Items
Win %
Buy %
46%
63%
56%
22%
50%
15%
Karthus Boots
Win %
Buy %
47%
93%
50%
5%
100%
2%
Average Karthus Duo Champions in ARAM(49% - 51% win rate with Karthus)
Even Matchups for Karthus in ARAM(49% - 51% win rate for Karthus)
