The first level built for Torment, Memoviras Courtyard is a huge area taking up 4 screens wide by 4 screens high.
This area is the point where the 'Bloom' is attached to the city walls. The city can be accessed by entering the giant doors on the left. The big pulsing 'sphincter' at the bottom is another entrance.
The crashed transdimensional train is slowly being consumed by the tendrils of the Bloom