Tier: CWin47.91%Role10.45%Pick0.30%Ban0.51%Games: 233KDA: 1.79Score: 50.61
Karthus Support is ranked C Tier and has a 47.91% win rate in LoL Patch 11.24. We've analyzed 233 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Zhonya's Hourglass, Shadowflame, Rabadon's Deathcap, and Shard of True Ice. For runes, the strongest choice is Inspiration (Primary) with First Strike (Keystone), and Domination (Secondary). The optimal Summoner Spells for this build are Flash and Ignite. Starting items should include Spellthief's Edge, Health Potion, and Stealth Ward. Karthus's Best Support matchups include Veigar, Lux, and Morgana. Karthus's Best Support counters are Yuumi, Janna, and Seraphine.
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Karthus Summoner Spells


Win %
Pick %
50%
88%
53%
56%

51%
46%

47%
7%

33%
1%

50%
1%
Karthus Starting Items
Win %
Buy %


2

52%
88%


2
0%
1%
Karthus Runes
Win %
Pick %
53%
28%
57%
25%
59%
6%
27%
10%
Karthus Items

51%

52%

65%

61%

64%

54%

52%

75%
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 %

52%
82%

49%
80%

83%
3%
Karthus Boots
Win %
Buy %

52%
81%

47%
15%

33%
1%

0%
0%
Karthus Mythic Items
Win %
Buy %

51%
89%

62%
6%

40%
2%

100%
0%

100%
0%

0%
0%