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About Sigh of the Abyss
Sigh of the Abyss is a dark‑fantasy visual novel set in the Renaissance‑styled port city of Carolise. You play the Envoy, a being born from a bloody ritual who wields Abyssal powers while appearing mortal.
The game offers a choice‑heavy narrative, optional inclusive romances, and a codex that expands the city’s lore. You can customize the protagonist’s name, skills, and romance preferences, leading to multiple detailed endings.
01 / THE GUIDE
Story and Setting
Carolise is a bustling port where nobles feast beside starving peasants, highlighting a stark class divide. The Envoy’s origin ties to a ritual that grants supernatural abilities.
Beyond the walls, trading posts spread while the rift between rich and poor widens, prompting you to decide who to save or condemn. Codex entries add historical context.
- Read codex entries early to notice details that may affect later decisions.
- Observe how each character’s background influences their reactions.
02 / THE GUIDE
Romance System
Romance is optional and inclusive, featuring two female (Sylas, Marané) and three male (Alpheon, Malec, Ascanio) love interests. A romance toggle lets you view only preferred interactions.
Selected scenes are fully voice‑acted and woven into the branching narrative, influencing tone and some ending details without blocking story completion.
- Toggle romance early to keep the narrative focused on desired content.
- Try different preferences in separate playthroughs to compare outcomes.
03 / THE GUIDE
Player Customization
Before starting, you can name the Envoy, select skill sets, and choose romance preferences. These choices personalize dialogue options and may affect how the four humors influence responses.
Customization does not lock you into a single narrative route; the core story and its hard choices remain accessible regardless of the initial setup.
- Align chosen skills with the humor you wish to emphasize for consistent dialogue tone.
- Save multiple custom setups to compare narrative variations.
04 / THE GUIDE
Audio‑Visual Presentation
All selected scenes feature full voice acting by a dedicated cast, accompanied by a bespoke soundtrack that reflects Carolise’s historical ambience.
Adjustable text size and custom volume controls let you tailor readability and audio balance, ensuring clarity of both dialogue and music.
- Use custom volume controls to balance voice acting against music.
- Increase text size if you prefer larger on‑screen dialogue.
05 / THE GUIDE
Technical Features
Sigh of the Abyss runs on Windows with a Mouse Only option and partial controller support, allowing play without timed input. Save‑anytime, Steam Cloud, and Steam Achievements are built in.
Adjustable text size and custom volume controls are included, and Family Sharing lets multiple accounts access the same purchase.
- Save frequently to experiment with hard choices safely.
- Enable Steam Cloud to keep progress synced across installations.
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