Tier: BWin50.00%Pick5.58%Games: 27KDA: 2.49Score: 49.36
Karthus is ranked B Tier and has a 50.00% win rate in LoL AR URF Patch 25.15. We've analyzed 27 Karthus games to compile our statistical Karthus AR URF Build Guide. For items, our build recommends: Malignance, Blackfire Torch, Sorcerer's Shoes, Liandry's Torment, Rabadon's Deathcap, and Shadowflame. 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 Smite. Starting items should include Scorchclaw Pup, Health Potion, and Stealth Ward. Karthus's Best AR URF matchups include Kayn, Morgana, and Pyke. Karthus's Best AR URF counters are Jinx, Mel, and Viktor.
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Karthus Summoner Spells


Win %
Pick %
40%
74%
67%
33%

50%
37%

44%
33%

33%
11%

0%
11%
Karthus Starting Items
Win %
Buy %



75%
15%


2
60%
19%
Karthus Runes
Win %
Pick %
64%
28%
32%
35%
41%
25%
100%
4%
Karthus Items

47%

47%

44%

27%

53%

44%

46%

33%
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 %

46%
96%

33%
11%

0%
11%
Karthus Boots
Win %
Buy %

44%
67%

0%
4%
Karthus Situational Items
Win %
Buy %

71%
26%

50%
7%