The balcony was unlit, probably because it had turned into a make-out spot.
Martha quickly explained, leaving Quinn's short fuse unlit.
Toby took the lead, and the demons, Death and Gabe disappeared as Katie rounded the corner of the palace. The angel released her and raced into the palace and up a set of stairs. They ascended several floors, until Katie was sucking wind bad enough to stop. Toby didn't wait for her, and she stumbled forward. The interior of the palace was unlit, and the darkness of evening crept into the hallways.
They are dressed lightly and casually for the warm summer evening and the young scientist carries a large flashlight, still unlit.