Karthus is ranked S+ Tier and has a 61.99% win rate in LoL Poro King Patch 9.24. We've analyzed 43887 Karthus games to compile our statistical Karthus Poro King Build Guide. For items, our build recommends: Rod of Ages (Quick Charge), Sorcerer's Shoes, Archangel's Staff (Quick Charge), Liandry's Torment, Rabadon's Deathcap, and Void Staff. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are To the King! and Poro Toss. Starting items should include Health Potion, Tear of the Goddess (Quick Charge), Boots of Speed, Lost Chapter, and Frosted Snax. Karthus's Best Poro King matchups include Kindred, Azir, and Rek'Sai. Karthus's Best Poro King counters are Lissandra, Galio, and Trundle.
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
Best Karthus Duo Champions in Poro King(over 51% win rate with Karthus)
Average Karthus Duo Champions in Poro King(49% - 51% win rate with Karthus)
Below Average Karthus Duo Champions in Poro King(under 49% win rate with Karthus)
Best Matchups for Karthus in Poro King(over 51% win rate for Karthus)
Even Matchups for Karthus in Poro King(49% - 51% win rate for Karthus)