Karthus is ranked Tier and has a 33.33% win rate in LoL AR URF Patch 25.16. We've analyzed 3 Karthus games to compile our statistical Karthus AR URF Build Guide. For items, our build recommends: Blackfire Torch, Sorcerer's Shoes, Shadowflame, Void Staff, Rabadon's Deathcap, and Stormsurge. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are Exhaust and Flash. Starting items should include Doran's Ring.
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Karthus Summoner Spells


Win %
Pick %
33%
100%
33%
100%
Karthus Starting Items
Win %
Buy %

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

100%

50%

50%

50%

33%

33%

100%

100%
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 %

100%
33%

0%
67%
Karthus Boots
Win %
Buy %

50%
67%

0%
33%
Karthus Situational Items
Win %
Buy %

0%
67%

0%
33%

0%
33%