Tier: Off MetaWin42.68%Role1.80%Pick0.04%Ban3.90%Games: 1989KDA: 1.67Score: 44.99
Karthus Support is ranked Off Meta Tier and has a 42.68% win rate in LoL Patch 25.04. We've analyzed 1989 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Blackfire Torch, Malignance, Sorcerer's Shoes, Liandry's Torment, Shadowflame, and Zaz'Zak's Realmspike. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (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 Ivern, Malphite, and Renata Glasc. Karthus's Best Support counters are Taric, Swain, and Annie.
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Karthus Summoner Spells


Win %
Pick %
46%
84%
47%
59%

48%
26%

47%
11%

42%
11%

49%
4%
Karthus Starting Items
Win %
Buy %


2

47%
90%


2

30%
1%
Karthus Runes
Win %
Pick %
43%
42%
51%
24%
45%
8%
56%
4%
Karthus Items

50%

47%

51%

54%

52%

47%

49%

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 %

49%
74%

44%
60%

40%
4%
Karthus Boots
Win %
Buy %

51%
65%

45%
9%

42%
2%

60%
1%

50%
0%

0%
0%
Karthus Support Items
Win %
Buy %

47%
78%

49%
2%

48%
2%

50%
1%

43%
0%