Khan told his story in the best order he could find. He started with the nightmares and slowly revealed the clues and answers he had picked up throughout his travels, ending with the visions from the dark-green substance.
Lieutenant Dyester and Abraham kept their mouths shut throughout the tale, connecting mental dots and reevaluating their knowledge over multiple fields. Abraham could apply the story to his scientific experience, while Lieutenant Dyester reviewed many certainties he thought he knew about Khan.
The men's silence continued even after the story was over. That whole ordeal was too heavy to absorb in a few seconds, and Khan merely drank from his bottle and stared at the opposite rocky wall in the meantime.