Karthus is ranked Tier and has a 100.00% win rate in LoL AR URF Patch 25.15. We've analyzed 2 Karthus games to compile our statistical Karthus AR URF Build Guide. For items, our build recommends: Blackfire Torch, Liandry's Torment, Sorcerer's Shoes, Shadowflame, Void Staff, 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 Exhaust and Smite. Starting items should include Gustwalker Hatchling.
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Karthus Summoner Spells


Win %
Pick %
100%
50%
100%
50%

0%
50%

0%
50%
Karthus Starting Items
Win %
Buy %

100%
50%


2

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

0%

100%

0%

50%

100%

0%

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

























Karthus Trinkets
Win %
Buy %

50%
100%

0%
50%
Karthus Boots
Win %
Buy %

0%
50%
Karthus Situational Items
Win %
Buy %

100%
50%