Tier: Off MetaWin34.14%Role2.17%Pick0.05%Ban2.63%Games: 89KDA: 2.45Score: 43.08
Karthus Support is ranked Off Meta Tier and has a 34.14% win rate in LoL Patch 25.12. We've analyzed 89 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Blackfire Torch, Malignance, Mejai's Soulstealer, 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 Amplifying Tome and Health Potion. Karthus's Best Support matchups include Milio, Nami, and Rakan. Karthus's Best Support counters are Braum, Lulu, and Morgana.
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Karthus Summoner Spells
Win %
Pick %
39%
84%
51%
46%
38%
38%
44%
20%
33%
10%
0%
1%
Karthus Starting Items
Win %
Buy %
2
100%
1%
Karthus Runes
Win %
Pick %
60%
15%
44%
20%
29%
26%
38%
16%
Karthus Items
43%
55%
49%
39%
56%
44%
45%
80%
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
2800
27001500
3200400
500Karthus Trinkets
Win %
Buy %
45%
74%
29%
55%
0%
1%
Karthus Boots
Win %
Buy %
43%
83%
40%
6%
Karthus Support Items
Win %
Buy %
44%
70%
35%
19%
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)
Even Support Matchups for Karthus Support(49% - 51% win rate for Karthus)
Even ADC Matchups for Karthus Support(49% - 51% win rate for Karthus)
