The Dark Sanctuary is the fifth Dark World of Deltarune, taking place in Chapter 4. It's an In-Universe Location taking on the form of a Church filled with Stained Glass windows, bookshelves, and large pillars.
Examples
- Note the purple hue, this is another location called the Second Sanctuary. Tag it as Dark Sanctuary anyway.
- Gerson's study, also part of the Dark Sanctuary.
- This Organ (Instrument) can be found in a part of the Dark Sanctuary.