Tier: Off MetaWin45.83%Role2.26%Pick0.04%Ban1.01%Games: 194KDA: 1.65Score: 47.01
Karthus Support is ranked Off Meta Tier and has a 45.83% win rate in LoL Patch 25.12. We've analyzed 194 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 Sorcery (Secondary). The optimal Summoner Spells for this build are Exhaust and Flash. Starting items should include Sapphire Crystal and Health Potion. Karthus's Best Support matchups include Braum, Pyke, and Leona. Karthus's Best Support counters are Lux, Senna, and Alistar.
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Karthus Summoner Spells
Win %
Pick %
51%
72%
42%
79%
45%
35%
58%
6%
29%
7%
0%
1%
Karthus Starting Items
Win %
Buy %
2
100%
1%
2
0%
1%
Karthus Runes
Win %
Pick %
49%
35%
47%
24%
59%
10%
37%
2%
Karthus Items
42%
50%
46%
44%
52%
44%
45%
57%
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
28001100
3000
3200
500Karthus Trinkets
Win %
Buy %
45%
90%
41%
53%
10%
5%
Karthus Boots
Win %
Buy %
46%
73%
33%
9%
50%
2%
Karthus Support Items
Win %
Buy %
44%
85%
50%
4%
33%
2%
Average ADC Duo Queue Champions for Karthus Support(49% - 51% win rate with 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)
