Karthus Mid Lane is ranked D Tier and has a 39.54% win rate in LoL Ultimate Spellbook Patch 14.21. We've analyzed 146 Karthus Mid Lane games to compile our statistical Karthus Spellbook Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Archangel's Staff, Liandry's Torment, Blackfire Torch, and Rabadon's Deathcap. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Placeholder and Flash. Starting items should include Amplifying Tome, Tear of the Goddess, Health Potion, and Stealth Ward. Karthus's Best Spellbook Mid Lane matchups include Naafiri and Yone. Karthus's Best Spellbook Mid Lane counters are Fizz, Aurelion Sol, and Azir.
Karthus Summoner Spells






Karthus Starting Items







Karthus Runes
Karthus Items








Karthus Skill Order
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Karthus Trinkets



Karthus Boots




Karthus Situational Items





