COSM-GAME Duet Night Abyss 1.5 Paradise Prelude Adds Ada
Pan Studio released the Paradise Prelude update for Duet Night Abyss on July 28, 2026. The build is live on PC, iOS, iPadOS and Android.
Game summary
On this page
News summary
Ada enters the permanent roster as a Hydro character proficient with Polearms and Dual Pistols.
Secret Letters provide a free acquisition route, while the Shop offers direct character access.
The Best Day and Sanguis Sanctus – Pistol become available through Forging or the Shop.
Five side stories and Story Archive expand the permanent narrative content.
Update overview
Pan Studio makes Ada available through Secret Letters and gives both July 28 weapons free acquisition routes, separate from the six-week event schedule.
Story Archive collects unlocked cutscenes for replay, while pinned equipment presets, rest-area music selection and revised mobile controls change day-to-day account management.
Deep Challenge becomes permanent, and Obsidian Heart-Reaper is scheduled to enter the weapon rotation on August 18, 2026.
Key details
White Bunnies’ Invitation runs from the July 28 update until September 7, 2026 at 17:00 UTC+8 and awards 10 Prismatic Hourglasses.
| Content | Availability | Acquisition or reward |
|---|---|---|
| Ada | Permanent from July 28 | Secret Letters or Shop |
| The Best Day | Available from July 28 | Forging, Secret Letters or Shop |
| Sanguis Sanctus – Pistol | Available from July 28 | Forging or Shop |
| Obsidian Heart-Reaper | Scheduled for August 18 | Rotating weapon |
| Permanent side stories | Five added with Version 1.5 | Story progression |
Trailer, screenshots, and media
Pan Studio’s Paradise Prelude key visual places Ada at the centre of the July 28 Version 1.5 rollout.
Source timeline
Pan Studio’s English account introduced Ada, The Best Day, Sanguis Sanctus – Pistol and Obsidian Heart-Reaper on July 20, 2026.
Pan Studio’s Paradise Prelude landing page confirmed on July 28, 2026 that the version was available and that Ada could be obtained free.
GameMeca published Pan Studio’s Version 1.5 launch details on July 28, 2026, including five permanent side stories and the new convenience features.