Tier: DWin55.54%Role6.19%Pick0.07%Ban0.42%Games: 135KDA: 1.88Score: 53.02
Karthus Support is ranked D Tier and has a 55.54% win rate in LoL Patch 14.3. We've analyzed 135 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Torment, Stormsurge, 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 Stealth Ward. Karthus's Best Support matchups include Thresh, Lux, and Alistar. Karthus's Best Support counters are Pyke, Bard, and Janna.
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Karthus Summoner Spells


Win %
Pick %
52%
89%
58%
39%

51%
32%

53%
27%

44%
12%

100%
1%
Karthus Starting Items
Win %
Buy %


2

53%
91%



100%
1%
Karthus Runes
Win %
Pick %
63%
26%
51%
24%
60%
18%
48%
3%
Karthus Items

58%

54%

55%

49%

62%

54%

53%

59%
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 %

53%
81%

54%
75%

57%
5%
Karthus Boots
Win %
Buy %

58%
76%

57%
10%

100%
1%
Karthus Support Items
Win %
Buy %

54%
73%

60%
4%

50%
1%

0%
1%