Tier: Off MetaWin64.13%Role10.65%Pick0.29%Ban19.88%Games: 27KDA: 2.44Score: 53.97
Karthus Support is ranked Off Meta Tier and has a 64.13% win rate in LoL Patch 8.24. We've analyzed 27 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Luden's Echo, Morellonomicon, Remnant of the Watchers, Mejai's Soulstealer, and Rabadon's Deathcap. 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 Ignite. Starting items should include Health Potion, Spellthief's Edge, Refillable Potion, Doran's Ring, and Warding Totem (Trinket). Karthus's Best Support matchups include Thresh.
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Karthus Summoner Spells


Win %
Pick %
50%
96%
50%
67%

43%
26%

100%
4%
Karthus Starting Items

50%

46%

50%

50%

48%
Karthus Runes
Win %
Pick %
58%
62%
67%
6%
0%
11%
Karthus Items

48%

50%

43%

100%

100%

50%

48%

100%
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 %

48%
78%

46%
48%

50%
7%
Karthus Boots
Win %
Buy %

48%
85%

0%
4%