Tier: Off MetaWin29.72%Role1.30%Pick0.02%Ban0.43%Games: 38KDA: 1.59Score: 44.63
Karthus Support is ranked Off Meta Tier and has a 29.72% win rate in LoL Patch 9.24. We've analyzed 38 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Luden's Echo, Zhonya's Hourglass, Morellonomicon, Shard of True Ice, and Rabadon's Deathcap. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Inspiration (Secondary). The optimal Summoner Spells for this build are Flash and Ignite. Starting items should include Health Potion, Spellthief's Edge, Doran's Ring, Relic Shield, and Warding Totem (Trinket). Karthus's Best Support matchups include Morgana. Karthus's Best Support counters are Leona and Pyke.
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Karthus Summoner Spells


Win %
Pick %
38%
97%
44%
47%

75%
11%

17%
32%

67%
8%

50%
5%
Karthus Starting Items

39%

33%

50%

67%

41%
Karthus Runes
Win %
Pick %
56%
24%
28%
30%
25%
16%
100%
3%
Karthus Items

43%

40%

50%

41%

38%

57%

42%

0%
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 %

42%
95%

33%
55%

33%
8%
Karthus Boots
Win %
Buy %

43%
74%

40%
13%

0%
3%

0%
3%