Tinted glass door

A is a type of door which can be found in the Barathrumite enclave in, just behind the  at the entrance to the enclave.

appear in pairs, as an east and west tinted glass door. When opened, both doors will open together.

They differ from their counterparts,, in that they are occluding, blocking line-of-sight through them. Notably, this prevents players from seeing the inside of until they have completed More Than a Willing Spirit.