Tier: Off MetaWin39.23%Role5.19%Pick0.04%Ban0.25%Games: 218KDA: 1.90Score: 43.67
Karthus Support is ranked Off Meta Tier and has a 39.23% win rate in LoL Patch 9.24. We've analyzed 218 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Rod of Ages, Morellonomicon, Void Staff, Rabadon's Deathcap, and Shard of True Ice. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Flash and Ignite. Starting items should include Health Potion, Spellthief's Edge, Doran's Ring, Refillable Potion, and Warding Totem (Trinket). Karthus's Best Support matchups include Lulu, Alistar, and Vel'Koz. Karthus's Best Support counters are Blitzcrank, Janna, and Soraka.
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Karthus Summoner Spells


Win %
Pick %
38%
95%
39%
56%

34%
20%

60%
9%

60%
7%

30%
9%
Karthus Starting Items

40%

35%

45%

71%

41%
Karthus Runes
Win %
Pick %
44%
24%
39%
22%
44%
9%
33%
5%
Karthus Items

40%

39%

43%

48%

53%

40%

40%

58%
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 Trinkets
Win %
Buy %

40%
94%

45%
48%

38%
4%
Karthus Boots
Win %
Buy %

40%
83%

45%
9%

100%
1%

0%
1%

0%
0%