Tier: Off MetaWin34.59%Role3.07%Pick0.03%Ban0.31%Games: 101KDA: 1.65Score: 40.70
Karthus Support is ranked Off Meta Tier and has a 34.59% win rate in LoL Patch 25.04. We've analyzed 101 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Blackfire Torch, Liandry's Torment, Zaz'Zak's Realmspike, and Shadowflame. 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 Lulu. Karthus's Best Support counters are Morgana, Blitzcrank, and Milio.
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Karthus Summoner Spells
Win %
Pick %
41%
85%
41%
46%
46%
37%
25%
16%
38%
8%
50%
4%
Karthus Starting Items
Win %
Buy %
2
38%
86%
2
33%
3%
Karthus Runes
Win %
Pick %
38%
37%
45%
26%
68%
5%
37%
8%
Karthus Items
38%
43%
56%
48%
41%
52%
38%
33%
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
27001100
2800
30004003200
750Karthus Trinkets
Win %
Buy %
38%
68%
35%
68%
50%
6%
Karthus Boots
Win %
Buy %
43%
57%
63%
19%
100%
1%
0%
1%
Karthus Support Items
Win %
Buy %
41%
70%
100%
2%
100%
1%
0%
1%
0%
1%
Average ADC Duo Queue Champions for Karthus Support(49% - 51% win rate with Karthus)
Best Support Matchups for Karthus Support(over 51% 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)
