What is the first torture in the "Pit and the Pendulum"?

The
first torture could be any number of
things, depending on whether you want to classify the
torture as only
physical or include psychological.  

If you include

psychological torture, I would say that the first torture is the narrator's sentencing.
 He
begins to break down and swoon the moment he is pronounced guilty.  He's
crazy with fear at that
point, because he knows what's coming, and he
essentially starts to hallucinate.  

I
saw, too, for a few moments of delirious horror, the soft and
nearly
imperceptible waving of the sable draperies which enwrapped the walls of the
apartment.
And then my vision fell upon the seven tall candles upon the
table. At first they wore the
aspect...