The biggest DC story in years gets even bigger in this pivotal companion volume to DC K.O.!In DC K.O., 32 heroes and villains from across the DC Universe enter the deadly Omega Tournament to earn the Heart of Apokolips and defeat Darkseid, with the fate of the DC Universe at stake! DC K.O.: Battle Royale collects the most essential stories surrounding the main event, headlined by DC K.O. Knightfight by Joshua Williamson and Dan Mora, detailing Batman’s unique journey during the Omega Tournament. With Gotham turned into a deadly arena, the Dark Knight must battle the Batmen of the future—each a former Robin!This collection also includes the headline-making DC K.O.: Boss Battle, where iconic characters from beyond the DC Universe enter the fray—including Homelander from The Boys, Sub-Zero from Mortal Kombat, Annabelle from The Conjuring franchise, Red Sonja, Vampirella, and Sabrina the Teenage Witch! Plus, cosmic reinforcements arrive in DC K.O.: Green Lantern Galactic Slam, Jon Kent leads a team of young heroes in DC K.O.: The Kids are All Fight Special, and discover how the battle began in the vital prelude story Justice League: The Omega Act Special.Collects DC K.O.: Green Lantern Galactic Slam #1, Justice League: The Omega Act Special #1, DC K.O.: The Kids are All Fight Special #1, DC K.O. Knightfight #1-4, and DC K.O.: Boss Battle #1.