Tier: Off MetaWin37.87%Role1.93%Pick0.05%Ban2.99%Games: 204KDA: 1.64Score: 40.47
Karthus Support is ranked Off Meta Tier and has a 37.87% win rate in LoL Patch 14.17. We've analyzed 204 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Blackfire Torch, Malignance, Zaz'Zak's Realmspike, Liandry's Torment, 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 Exhaust. Starting items should include World Atlas, Health Potion, and Oracle Lens. Karthus's Best Support matchups include Karma and Rell. Karthus's Best Support counters are Braum, Lulu, and Senna.
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Karthus Summoner Spells


Win %
Pick %
38%
93%
39%
63%

41%
19%

37%
9%

25%
8%

50%
3%
Karthus Starting Items
Win %
Buy %


2

34%
45%


2
100%
0%
Karthus Runes
Win %
Pick %
42%
48%
41%
15%
41%
13%
28%
3%
Karthus Items

39%

42%

40%

39%

41%

46%

38%

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 Item Purchase Order





















Karthus Trinkets
Win %
Buy %

38%
75%

39%
67%

13%
7%
Karthus Boots
Win %
Buy %

39%
74%

50%
1%

17%
3%
Karthus Support Items
Win %
Buy %

39%
77%

75%
2%

100%
0%

0%
1%