Respuesta :
The best answer for this question would be:
“startled and even awed”
It comes from the line “conclusions deduced liquid, and luminous nervous agitation startled and even awed”, this line deeply describes the transition of the reaction.
The answer is: Startled and even awed.
In "The Fall of the House of Usher," by Edgar Allan Poe, the narrator feels shocked and appalled at the sight of his friend Usher's face. He makes reference to his cadaverous appearance, and is impressed by Usher's unhealthy pale skin as well as by the radiance of his eyes.