It is an old Dwemer fortress named after the residing Ash Vampire, Dagoth Odros. Odrosal is found inside of the Ghostfence and is marked on the world map. There is a Golden Saint and a Flame Atronach guarding the Training Academy. There are three Dead Dreamer bodies lying around.
The ruins are divided into two different areas:
- Odrosal Dwemer Training Academy
- Odrosal Tower