When he's not running entirely on anger and adrenaline, Dorian will realize that he gave away a little bit too much about his immortality. But right now, in this moment, he just doesn't care.

"Oh I doubt that. Because as far as I know, during all the previous times the ship's changed, nobody's suddenly got the urge to butcher someone like an animal. I still feel pain, Goodsir!" Dorian yells, as he continues to struggle against Jopson's grasp. "Did you even think of that?"