Karthus Support is ranked Off Meta Tier and has a 56.46% win rate in LoL Ultimate Spellbook Patch 11.24. We've analyzed 92 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 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 Nautilus. Karthus's Best Spellbook Support counters are Seraphine, Vel'Koz, and Morgana.
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
32001100
2600
36003000Karthus Ultimate Spellbook Stats
Karthus Trinkets
Karthus Boots
Karthus Mythic Items
Best ADC Duo Queue Champions for Karthus Support in Ultimate Spellbook(over 51% win rate with Karthus)
Average ADC Duo Queue Champions for Karthus Support in Ultimate Spellbook(49% - 51% win rate with Karthus)
Best Support Matchups for Karthus Support in Ultimate Spellbook(over 51% win rate for 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)
