Ten Years Later: The Man in The Iron Mask by Alexandre Dumas Chapter 17 Page 5

both its hand, supported the crown, seemed, though vainly so, to call upon the king, who was fast disappearing from it. The bed still sunk.

Louis, with his eyes open, could not resist the deception of this cruel hallucination. At last, as the light of the royal chamber faded away into darkness and gloom, something cold, gloomy, and inexplicable in its nature seemed to infect the air. No paintings, nor gold, nor velvet hangings, were visible any longer, nothing but walls of a dull gray color, which the increasing gloom made darker every moment. And yet the bed still continued to descend, and after a minute, which seemed in its duration almost an age to the king, it reached a stratum of air, black and chill as death, and then it stopped. The king could no longer see the light in his room, except as from the bottom of a well we can see the light of day.