Karthus is ranked Tier and has a 31.39% win rate in LoL ARAM Patch 10.25. We've analyzed 29 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Archangel's Staff, Demonic Embrace, Rabadon's Deathcap, and Cosmic Drive. 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 Maokai and Vel'Koz. Karthus's Best ARAM counters are Aatrox, Gangplank, and Jinx.
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Karthus Summoner Spells
Win %
Pick %
34%
100%
30%
79%
67%
10%
33%
10%
Karthus Starting Items
Win %
Buy %
2
31%
55%
100%
7%
Karthus Runes
Win %
Pick %
37%
55%
39%
25%
0%
3%
Karthus Items
33%
29%
42%
46%
43%
75%
25%
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
3400
1100
3000
300038003000Karthus Mythic Items
Win %
Buy %
33%
62%
50%
28%
20%
17%
Karthus Boots
Win %
Buy %
29%
97%
100%
3%
50%
7%
Best Karthus Duo Champions in ARAM(over 51% win rate with Karthus)
Average Karthus Duo Champions in ARAM(49% - 51% win rate with Karthus)
Even Matchups for Karthus in ARAM(49% - 51% win rate for Karthus)
