Karthus is ranked Tier and has a 28.57% win rate in LoL ARAM Patch 25.08. We've analyzed 7 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Blackfire Torch, Malignance, Liandry's Torment, Shadowflame, Ionian Boots of Lucidity, and Rabadon's Deathcap. 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.
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Karthus Summoner Spells
Win %
Pick %
29%
100%
29%
100%
Karthus Starting Items
Win %
Buy %
20%
71%
Karthus Runes
Win %
Pick %
50%
29%
100%
14%
0%
50%
Karthus Items
33%
33%
67%
17%
100%
33%
50%
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
2700
3000
32009003600Karthus Situational Items
Win %
Buy %
0%
43%
0%
43%
Karthus Boots
Win %
Buy %
100%
14%
33%
43%
Average Karthus Duo Champions in ARAM(49% - 51% win rate with Karthus)
Even Matchups for Karthus in ARAM(49% - 51% win rate for Karthus)
