Karthus Support is ranked C Tier and has a 32.41% win rate in LoL Patch 7.24. We've analyzed 141 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Frost Queen's Claim, Sorcerer's Shoes, Rod of Ages, Morellonomicon, Zhonya's Hourglass, and Rabadon's Deathcap. For runes, the strongest choice is Sorcery (Primary) with Arcane Comet (Keystone), and <pathBonus><pathSorcery>Sorcery</pathSorcery> + <pathDomination>Domination</pathDomination> </pathBonus> (Secondary). The optimal Summoner Spells for this build are Flash and Exhaust. Starting items should include Health Potion, Spellthief's Edge, Faerie Charm, Doran's Ring, and Warding Totem (Trinket). Karthus's Best Support matchups include Lux, Morgana, and Alistar. Karthus's Best Support counters are Braum, Zoe, and Thresh.
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 Trinkets
Karthus Boots
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)
