The Infinity Castle is collapsing into chaos as demons and Demon Slayers clash in the final battle. The castle shifts endlessly, separating fighters and creating deadly encounters around every corner.

Create your character, choose your abilities and allegiance, and enter the battle. Your decisions matter, your enemies can adapt, and your actions can change the fate of the night.

Survive the Infinity Castle. Fight your way through the darkness. Become a legend — or become another whisper in its walls.