Once one adopts the principle, "I am willing to sacrifice anything if it means saving my own life," then - when you give an inch - even an idiot knows to take a mile. Some people prefer to die free rather than live a slave. If four questions is not so different from three, then is not five so different from four? And after five comes six, after six comes seven, and so on and so forth... no, he will not go down that path, and you may think whatever you like of him for it.
Go ahead, try to kill him.
Only the gauntlet is soulsteel, but no, she doesn't.