Duet Night Abyss Wiki

Duet Night Abyss

Duet Night Abyss is a free-to-play fantasy action RPG developed by Pan Studio and published by Hero Games, launched worldwide on October 28, 2025 for Windows, macOS, iOS and Android, with a Steam release following on January 19, 2026. Set on the continent of Atlasia, the story is told from two perspectives: the player takes the role of the Phoxhunter through the main campaign while a second narrative thread follows the counterpart figure known as The Boy/Girl in the Dream. Combat is built on a dual loadout in which every character carries one melee and one ranged weapon: melee attacks build Phoxene energy and ranged attacks spend it, so fights alternate between closing in and backing off. Progression runs through six elements (Anemo, Electro, Hydro, Pyro, Lumino and Umbro), a modular Demon Wedge enhancement system with six slots per character, and Geniemon, wild-caught companion creatures that grant passive buffs and active skills. The game is notable for shipping without a gacha character banner: characters, weapons and Demon Wedges are unlocked with an in-game item called the Secret Letter, and the official launch line-up advertised all characters and weapons as free to unlock.

• Dual Weapon Loadout: every character carries one melee weapon and one ranged weapon, and the two halves of the kit are swapped mid-combo rather than chosen at a menu.
• Phoxene Energy: melee attacks generate Phoxene and ranged attacks consume it, which forces a rhythm of closing to build the resource and backing off to spend it.
• Six Elements: characters are aligned to Anemo, Electro, Hydro, Pyro, Lumino or Umbro, and teams are built around element matching and support pairings rather than raw rarity.
• Demon Wedge: a modular enhancement system with six slots per character that rewrites skill behaviour, adds move variants and raises damage ceilings.
• Geniemon: pet-like creatures caught in the wild across Atlasia that fight alongside the party with passive buffs and cooldown-based active skills.
• Secret Letter Unlocks: characters, weapons and Demon Wedges are acquired with Secret Letters instead of a gacha banner, and duplicates convert into ascension progress.
• Cross-platform Co-op: online co-op sessions and full cross-platform data sync between PC, Steam and mobile clients.