Tier: Off MetaWin38.02%Role1.74%Pick0.05%Ban2.87%Games: 347KDA: 1.78Score: 39.48
Karthus Support is ranked Off Meta Tier and has a 38.02% win rate in LoL Patch 14.23. We've analyzed 347 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Malignance, Blackfire Torch, Sorcerer's Shoes, Zaz'Zak's Realmspike, Liandry's Torment, and Shadowflame. 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 Bard, Leona, and Pantheon. Karthus's Best Support counters are Milio, Alistar, and Braum.
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Karthus Summoner Spells


Win %
Pick %
45%
87%
43%
71%

54%
23%

55%
12%

50%
2%

38%
2%
Karthus Starting Items
Win %
Buy %


2

45%
92%


2

100%
1%
Karthus Runes
Win %
Pick %
47%
38%
45%
30%
46%
11%
57%
1%
Karthus Items

45%

50%

47%

49%

51%

49%

44%

48%
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 %

44%
65%

48%
59%

30%
3%
Karthus Boots
Win %
Buy %

47%
69%

38%
11%

50%
1%

0%
0%

0%
0%

0%
0%
Karthus Support Items
Win %
Buy %

49%
78%

43%
2%

38%
2%

67%
1%

0%
1%