[from
here]
Once they made it through the door and it had slide smoothly closed behind them there was no mistaking the sound of a final click. Dropping her juice, Ilia turned back around swiftly and reached for the handle. "Wh--Hey!"
Tugging with all her might, Ilia struggled to get the open but it would budge an inch. Frustrated, she slammed a fist against the dark wood, releasing a hiss. "... Damn."
For better or worse, there was no going back now. She turned back to the dimly lit hallway, a grim frown stretched across her face.