Tier: Off MetaWin33.91%Role4.22%Pick0.08%Ban1.25%Games: 126KDA: 1.59Score: 40.79
Karthus Support is ranked Off Meta Tier and has a 33.91% win rate in LoL Patch 25.16. We've analyzed 126 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Blackfire Torch, Malignance, Sorcerer's Shoes, Liandry's Torment, Zaz'Zak's Realmspike, and Shadowflame. For runes, the strongest choice is Sorcery (Primary) with Summon Aery (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are Exhaust and Flash. Starting items should include Sapphire Crystal, Health Potion, and Stealth Ward. Karthus's Best Support matchups include Braum, Pantheon, and Rell. Karthus's Best Support counters are Leona and Rakan.
Advertisement
Advertisement
Karthus Summoner Spells


Win %
Pick %
35%
80%
37%
69%

28%
31%

25%
10%

43%
6%

100%
1%
Karthus Starting Items
Win %
Buy %


2

100%
1%
Karthus Runes
Win %
Pick %
47%
18%
25%
37%
46%
19%
30%
11%
Karthus Items

40%

30%

42%

33%

35%

45%

36%

29%
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 %

36%
95%

36%
62%
Karthus Boots
Win %
Buy %

42%
70%

22%
7%

0%
1%

0%
1%
Karthus Support Items
Win %
Buy %

35%
90%

0%
1%

0%
1%

0%
1%