But in the western or black chamber the effect of the fire-light that streamed upon the dark hangings through the blood-tinted panes, was ghastly in the extreme, and produced so wild a look upon the countenances of those who entered, that there were few of the company bold enough to set foot within its precincts at all. what technique does poe use to build suspense in the excerpt?

The pace of the story quickens. The word choice darkens the tone. The outcome of events becomes certain. The setting moves outside.

Explanation:

This is the technique

The word choice darkens the tone.

Explanation:

The main strategy that Poe uses in these lines is the fact that he chooses words which darken the tone. These words give an eerie and anxious feeling to the reader, which resembles that of the characters. Some of the words Poe uses that contribute to this feeling are: "dark hangings," "blood-tinted panes," "ghastly" and "wild." All of these words contribute to the tone of the passage.