Tier: SWin75.00%Pick5.80%Games: 20KDA: 2.94Score: 59.72
Karthus is ranked S Tier and has a 75.00% win rate in LoL ARAM Patch 25.12. We've analyzed 20 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Liandry's Torment, Shadowflame, Morellonomicon, 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 Mark and Flash. Starting items should include Lost Chapter and Refillable Potion. Karthus's Best ARAM matchups include Malzahar.
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Karthus Summoner Spells
Win %
Pick %
74%
95%
74%
95%
100%
5%
100%
5%
Karthus Starting Items
Win %
Buy %
73%
75%
2
50%
10%
Karthus Runes
Win %
Pick %
100%
32%
73%
34%
100%
5%
100%
5%
Karthus Items
81%
73%
73%
77%
100%
73%
85%
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
2700
1100
3000
3200
28503500Karthus Situational Items
Win %
Buy %
80%
50%
70%
50%
100%
15%
50%
10%
0%
5%
Karthus Boots
Win %
Buy %
73%
55%
0%
5%
Average Karthus Duo Champions in ARAM(49% - 51% win rate with Karthus)
Best Matchups for Karthus in ARAM(over 51% win rate for Karthus)
Even Matchups for Karthus in ARAM(49% - 51% win rate for Karthus)
