Tier: SWin85.00%Pick5.88%Games: 42KDA: 2.65Score: 66.89
Karthus is ranked S Tier and has a 85.00% win rate in LoL ARAM Patch 25.12. We've analyzed 42 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Blackfire Torch, Malignance, Liandry's Torment, Shadowflame, 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 Lost Chapter and Refillable Potion. Karthus's Best ARAM matchups include Irelia, Jayce, and Nautilus. Karthus's Best ARAM counters are Lulu, Morgana, and Tahm Kench.
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Karthus Summoner Spells
Win %
Pick %
70%
95%
70%
95%
100%
5%
100%
2%
100%
2%
Karthus Starting Items
Win %
Buy %
72%
69%
2
75%
10%
Karthus Runes
Win %
Pick %
78%
42%
63%
27%
100%
7%
100%
5%
Karthus Items
74%
72%
71%
71%
74%
70%
74%
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
2800
27003000
320035003000Karthus Situational Items
Win %
Buy %
92%
31%
83%
14%
67%
14%
100%
2%
50%
5%
100%
2%
Karthus Boots
Win %
Buy %
67%
43%
0%
5%
Average Karthus Duo Champions in ARAM(49% - 51% win rate with Karthus)
Below Average Karthus Duo Champions in ARAM(under 49% win rate with Karthus)
Even Matchups for Karthus in ARAM(49% - 51% win rate for Karthus)
