Shouldn't the Path of Dawn be illuminated? If this was truly an exit, why was it enveloped in darkness?

The place seemed more reminiscent of a sinister basement.

Realizing something wasn't right, Ariana attempted to retreat but discovered the door had closed on its own.

While she searched for the doorknob, a loud click resonated, and light suddenly filled the room.

Temporarily blinded by the brightness, Ariana closed her eyes.