Karthus is ranked Tier and has a 54.55% 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, Horizon Focus, Stormsurge, Liandry's Torment, Shadowflame, and Rabadon's Deathcap. For runes, the strongest choice is Inspiration (Primary) with First Strike (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Flash and Ghost. Starting items should include Amplifying Tome and Health Potion.
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Karthus Summoner Spells
Win %
Pick %
60%
91%
50%
55%
67%
27%
50%
18%
0%
9%
Karthus Starting Items
Win %
Buy %
75%
36%
Karthus Runes
Win %
Pick %
63%
41%
50%
52%
Karthus Items
71%
50%
50%
56%
50%
60%
50%
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
2700
2900
3000
32003600Karthus Trinkets
Win %
Buy %
50%
55%
100%
18%
25%
36%
Karthus Boots
Win %
Buy %
100%
9%
33%
27%
100%
9%
Karthus Situational Items
Win %
Buy %
50%
18%
50%
18%
50%
18%
100%
9%
100%
9%
0%
9%
Average Karthus Duo Champions in AR URF(49% - 51% win rate with Karthus)
Below Average Karthus Duo Champions in AR URF(under 49% win rate with Karthus)
Even Matchups for Karthus in AR URF(49% - 51% win rate for Karthus)
