Karthus Support is ranked B Tier and has a 66.29% win rate in LoL Ultimate Spellbook Patch 11.24. We've analyzed 87 Karthus Support games to compile our statistical Karthus Spellbook Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Shadowflame, Rabadon's Deathcap, Void Staff, and Shard of True Ice. For runes, the strongest choice is Inspiration (Primary) with First Strike (Keystone), and Domination (Secondary). The optimal Summoner Spells for this build are Placeholder and Flash. Starting items should include Amplifying Tome, Spellthief's Edge, Health Potion, and Stealth Ward. Karthus's Best Spellbook Support matchups include Lulu, Lux, and Nami. Karthus's Best Spellbook Support counters are Nautilus, Seraphine, and Soraka.
Karthus Summoner Spells
Karthus Starting Items
Karthus Runes
Karthus Items
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
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2800Karthus Ultimate Spellbook Stats
Karthus Trinkets
Karthus Boots
Karthus Mythic Items
Average ADC Duo Queue Champions for Karthus Support in Ultimate Spellbook(49% - 51% win rate with Karthus)
Even Support Matchups for Karthus Support in Ultimate Spellbook(49% - 51% win rate for Karthus)
Even ADC Matchups for Karthus Support in Ultimate Spellbook(49% - 51% win rate for Karthus)
