Tier: Off MetaWin35.43%Role2.35%Pick0.05%Ban2.31%Games: 131KDA: 1.53Score: 39.52
Karthus Support is ranked Off Meta Tier and has a 35.43% win rate in LoL Patch 25.09. We've analyzed 131 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Blackfire Torch, 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 Flash and Exhaust. Starting items should include Boots, Health Potion, and Stealth Ward. Karthus's Best Support matchups include Mel, Lux, and Leona. Karthus's Best Support counters are Nautilus, Blitzcrank, and Braum.
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Karthus Summoner Spells
Win %
Pick %
36%
86%
43%
62%
46%
20%
38%
10%
38%
10%
44%
7%
Karthus Starting Items
Win %
Buy %
2
100%
1%
Karthus Runes
Win %
Pick %
52%
27%
34%
39%
31%
9%
44%
4%
Karthus Items
41%
38%
36%
44%
58%
40%
37%
42%
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
1100
2700
2800
3000
3200400
500Karthus Trinkets
Win %
Buy %
37%
70%
38%
66%
50%
5%
Karthus Boots
Win %
Buy %
41%
74%
31%
12%
100%
1%
Karthus Support Items
Win %
Buy %
40%
81%
67%
2%
100%
1%
0%
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)
