In the Pit and the Pendulum, the man has already been through trial and receives the judgment here, his sentence: death. He becomes so overwhelmed with the Power of Despair that he faints.
When the man was sent to the dungeon for his torture, he found himself strapped to a table with a pendulum swinging over his body, ready to cut him in two. He starts to think of giving up, but cleverly finds his way out of the trap.
Finally, the walls begin to close in and the dungeon catches fire, the man is forced towards the dreaded pit. he realizes how near death he is and begins to scream in utter despair, then General Lassale comes and saves him from certain death.