Tier: BWin37.52%Role5.22%Pick0.10%Ban0.44%Games: 222KDA: 1.48Score: 44.35
Karthus Support is ranked B Tier and has a 37.52% win rate in LoL Patch 13.6. We've analyzed 222 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Shadowflame, Morellonomicon, Shard of True Ice, and Rabadon's Deathcap. 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 Exhaust. Starting items should include Spellthief's Edge, Health Potion, and Stealth Ward. Karthus's Best Support matchups include Lux, Morgana, and Nami. Karthus's Best Support counters are Braum, Blitzcrank, and Brand.
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Karthus Summoner Spells


Win %
Pick %
56%
93%
60%
55%

44%
25%

56%
8%

47%
8%

31%
7%
Karthus Starting Items
Win %
Buy %


2

52%
79%


2

71%
3%
Karthus Runes
Win %
Pick %
68%
23%
62%
25%
45%
29%
100%
1%
Karthus Items

56%

58%

61%

65%

53%

69%

54%

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 %

54%
69%

54%
66%

64%
16%
Karthus Boots
Win %
Buy %

56%
82%

62%
9%

50%
1%
Karthus Mythic Items
Win %
Buy %

58%
78%

67%
4%

45%
5%

0%
0%

0%
1%