Karthus Support is ranked B Tier and has a 41.27% win rate in LoL Ultimate Spellbook Patch 11.24. We've analyzed 160 Karthus Support games to compile our statistical Karthus Spellbook Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Zhonya's Hourglass, Rabadon's Deathcap, Demonic Embrace, and Shard of True Ice. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Precision (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 Bard, Lulu, and Lux. Karthus's Best Spellbook Support counters are Malphite, Pyke, and Sona.
Karthus Summoner Spells






Karthus Starting Items








Karthus Runes
Karthus Items








Karthus Skill Order
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Karthus Item Purchase Order



















Karthus Ultimate Spellbook Stats



























































Karthus Trinkets



Karthus Boots



Karthus Mythic Items





