FromSoftware has announced that Elden Ring Nightreign will receive a new high-difficulty mode called Deep of Night, set to launch on September 11, 2025. This mode is described as an endless expedition designed to provide a more challenging experience for seasoned players seeking greater thrills. The update aims to expand the endgame content and cater to those who find the current difficulty insufficient. Bandai Namco has confirmed the mode's official status, highlighting its focus on delivering an ultra-hard challenge within the game.