Tier: Off MetaWin50.61%Role2.75%Pick0.09%Ban7.91%Games: 460KDA: 1.80Score: 52.95
Karthus Support is ranked Off Meta Tier and has a 50.61% win rate in LoL Patch 13.20. We've analyzed 460 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Shadowflame, Rabadon's Deathcap, Shard of True Ice, and Void Staff. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Precision (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 Twitch, Nautilus, and Senna. Karthus's Best Support counters are Braum, Milio, and Swain.
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Karthus Summoner Spells


Win %
Pick %
46%
83%
49%
58%

49%
29%

50%
10%

52%
6%

31%
8%
Karthus Starting Items
Win %
Buy %


2

46%
83%


2

58%
3%
Karthus Runes
Win %
Pick %
49%
33%
51%
20%
45%
19%
73%
2%
Karthus Items

49%

49%

51%

58%

50%

46%

48%

48%
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 %

48%
70%

46%
65%

44%
2%
Karthus Boots
Win %
Buy %

49%
80%

62%
10%

100%
0%

50%
0%

50%
0%

0%
0%
Karthus Mythic Items
Win %
Buy %

49%
86%

51%
8%

100%
0%

50%
0%

0%
0%