Tier: Off MetaWin50.16%Role1.49%Pick0.06%Ban9.73%Games: 186KDA: 1.64Score: 53.32
Karthus Support is ranked Off Meta Tier and has a 50.16% win rate in LoL Patch 14.5. We've analyzed 186 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Torment, Morellonomicon, Shadowflame, 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 Exhaust and Flash. Starting items should include World Atlas, Health Potion, and Oracle Lens. Karthus's Best Support matchups include Zyra, Brand, and Lulu. Karthus's Best Support counters are Blitzcrank, Braum, and Milio.
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Karthus Summoner Spells


Win %
Pick %
47%
82%
43%
82%

43%
25%

60%
3%

29%
4%

50%
2%
Karthus Starting Items
Win %
Buy %


2

44%
75%


2

54%
13%
Karthus Runes
Win %
Pick %
47%
44%
50%
15%
39%
10%
43%
6%
Karthus Items

46%

48%

53%

47%

61%

47%

48%

45%
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 %

48%
87%

38%
67%

40%
5%
Karthus Boots
Win %
Buy %

46%
86%

29%
8%

0%
1%
Karthus Support Items
Win %
Buy %

47%
85%

33%
2%