Tier: Off MetaWin45.36%Role2.92%Pick0.08%Ban1.70%Games: 535KDA: 1.97Score: 50.41
Karthus Support is ranked Off Meta Tier and has a 45.36% win rate in LoL Patch 14.1. We've analyzed 535 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Malignance, Luden's Companion, Sorcerer's Shoes, Liandry's Torment, Stormsurge, and Zaz'Zak's Realmspike. 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 Swain, Lux, and Zyra. Karthus's Best Support counters are Rakan, Lulu, and Pyke.
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Karthus Summoner Spells


Win %
Pick %
43%
85%
42%
64%

44%
33%

40%
7%

45%
5%

38%
1%
Karthus Starting Items
Win %
Buy %


2

47%
75%


2

30%
9%
Karthus Runes
Win %
Pick %
52%
28%
41%
27%
36%
29%
41%
2%
Karthus Items

42%

44%

45%

49%

49%

46%

42%

53%
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 %

42%
81%

47%
48%

44%
3%
Karthus Boots
Win %
Buy %

45%
67%

47%
22%

50%
0%

0%
0%

0%
0%
Karthus Support Items
Win %
Buy %

46%
52%

28%
3%

50%
1%

40%
1%

33%
1%