Tier: Off MetaWin55.09%Role3.37%Pick0.08%Ban9.62%Games: 27KDA: 2.57Score: 52.13
Karthus Support is ranked Off Meta Tier and has a 55.09% win rate in LoL Patch 25.04. We've analyzed 27 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Mejai's Soulstealer, Blackfire Torch, Zaz'Zak's Realmspike, and Seraph's Embrace. 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.
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Karthus Summoner Spells
Win %
Pick %
52%
78%
47%
63%
43%
26%
50%
15%
0%
4%
0%
7%
Karthus Starting Items
Win %
Buy %
2
50%
89%
0%
4%
Karthus Runes
Win %
Pick %
43%
60%
61%
14%
50%
7%
0%
4%
Karthus Items
50%
52%
67%
42%
52%
100%
48%
0%
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
27001500
2800400
750Karthus Trinkets
Win %
Buy %
48%
93%
17%
22%
0%
4%
Karthus Boots
Win %
Buy %
50%
67%
33%
11%
Karthus Support Items
Win %
Buy %
52%
78%
0%
4%
Best ADC Duo Queue Champions for Karthus Support(over 51% win rate with Karthus)
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)
Best ADC Champions to Counter Karthus Support(under 49% win rate for Karthus)
Even ADC Matchups for Karthus Support(49% - 51% win rate for Karthus)
