“If now, in addition to all these things, you have properly reflected upon the odd disorder of the chamber, we have gone so far as to combine the ideas of {dd}an agility astounding, a strength superhuman,{dd} a ferocity brutal, a butchery without motive, a grotesquerie{e} in horror absolutely alien from humanity, and a voice foreign in tone to the ears of men{f} of many nations, and devoid of all distinct or intelligible syllabification. What result, then, has ensued? What impression have I made upon your fancy?”
I love how Dupin uses "Fancy" at the end of the sentence. Since it emphasize again the case is not normal, so you have to fancy it and see it with your imagination.