Karthus is ranked Tier and has a 66.67% win rate in LoL AR URF Patch 25.15. We've analyzed 3 Karthus games to compile our statistical Karthus AR URF Build Guide. For items, our build recommends: Sorcerer's Shoes, Blackfire Torch, Malignance, Shadowflame, Rabadon's Deathcap, and Liandry's Torment. For runes, the strongest choice is Inspiration (Primary) with First Strike (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Exhaust and Ghost. Starting items should include Amplifying Tome.
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Karthus Summoner Spells


Win %
Pick %
67%
100%
100%
33%

100%
33%

0%
33%
Karthus Starting Items
Win %
Buy %

100%
33%

0%
33%
Karthus Runes
Win %
Pick %
100%
33%
50%
67%
Karthus Items

100%

100%

33%

0%

100%

100%

67%
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




















Karthus Trinkets
Win %
Buy %

67%
100%
Karthus Boots
Win %
Buy %

100%
67%
Duos and Counters

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