Karthus is ranked Tier and has a 45.45% win rate in LoL AR URF Patch 25.04. We've analyzed 11 Karthus games to compile our statistical Karthus AR URF Build Guide. For items, our build recommends: Malignance, Blackfire Torch, Liandry's Torment, Sorcerer's Shoes, Shadowflame, 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 Flash and Exhaust. Starting items should include Doran's Ring, Health Potion, and Oracle Lens.
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Karthus Summoner Spells
Win %
Pick %
50%
91%
50%
55%
33%
27%
50%
18%
0%
9%
Karthus Starting Items
Win %
Buy %
2
50%
18%
33%
27%
Karthus Runes
Win %
Pick %
67%
27%
40%
38%
55%
17%
Karthus Items
43%
50%
38%
67%
57%
50%
100%
0%
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
2800
30001100
32003600
750Karthus Trinkets
Win %
Buy %
100%
27%
29%
64%
0%
9%
Karthus Boots
Win %
Buy %
67%
109%
Karthus Situational Items
Win %
Buy %
100%
9%
33%
27%
100%
9%
100%
9%
Average Karthus Duo Champions in AR URF(49% - 51% win rate with Karthus)
Even Matchups for Karthus in AR URF(49% - 51% win rate for Karthus)
