[Silence. His rage aside, Sanji is far from a fool. And it's the words, "I made him kill me." that strike home more than anything else. Enough that he sucks in a breath through his mouth and keeps quiet through the rest of her explanation.

... Not human, huh? Only the barest parts of his curiosity are prodded by that, except he's got bigger shit to consider.]

... And there's no other way? Or at least stop whatever shit's happening? [It's not his nature to pry, but in this case he pushes his gentlemanly rules for the greater good] This isn't your original wolrd; there's gotta be something you can do.