DarkMist

Invisible monster called the Dark Mist. It won't attack you, but that doesn't make it any less deadly

BepInEx pack for Mono Unity games. Preconfigured and ready to use.

Preferred version: 5.4.2100

Overview

This mod introduces an invisible monster called the Dark Mist. It won't attack you, but that doesn't make it any less deadly.

Hint 1 (Spoiler):

Pay attention on your way back to the main entrance! Did anything change?

Hint 2 (Spoiler):

The Dark Mist will occasionally close doors between you and the main entrance.

Hint 3 (Spoiler):

Doors won't close if you're near the main entrance.

Hint 4 (Spoiler):

Doors won't close if you're not alone.

There's several ways to configure the frequency that the Dark Mist targets players. Note that there are some spoilers in the config files though.

Fixed bug that causes mod to stop working when players walk through doors after the second moon
Reduced log spam

There were sync bugs running this as a server-side mod. Changed to client-side.
The Dark Mist will now only target the local player. If individual players don't wish to be targeted, they can simply disable the mod.