Tier: Off MetaWin53.64%Role6.84%Pick0.05%Ban2.61%Games: 48KDA: 2.14Score: 51.39
Karthus Support is ranked Off Meta Tier and has a 53.64% win rate in LoL Patch 25.06. We've analyzed 48 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Malignance, Blackfire Torch, 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 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 Leona and Lux. Karthus's Best Support counters are Rell.
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Karthus Summoner Spells
Win %
Pick %
54%
73%
58%
69%
60%
21%
60%
21%
50%
8%
100%
4%
Karthus Starting Items
Win %
Buy %
2
55%
98%
Karthus Runes
Win %
Pick %
78%
22%
44%
35%
65%
8%
37%
14%
Karthus Items
41%
85%
68%
65%
69%
55%
57%
93%
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
2700
2800
1100
3000
3200400
750Karthus Trinkets
Win %
Buy %
57%
92%
68%
40%
0%
2%
Karthus Boots
Win %
Buy %
68%
71%
20%
10%
Karthus Support Items
Win %
Buy %
55%
92%
100%
2%
Average ADC Duo Queue Champions for Karthus Support(49% - 51% win rate with Karthus)
Best Support Champions to Counter Karthus Support(under 49% win rate for Karthus)
Even Support Matchups for Karthus Support(49% - 51% win rate for Karthus)
Even ADC Matchups for Karthus Support(49% - 51% win rate for Karthus)
