[Action]
[It was a decent question and Zero understood exactly where she was coming from. She was likely one of the selfless types like Yuuki who just wanted to do what she could to save others.]
I planned on keeping an eye on him to make sure he didn't harm anyone. Figure out who did it [Which he was quite certain of the who.] and how it manifests in the world they come from.
Every world is a little different. [Which brings him to his next point.] In some worlds, what you offered would have the same results as what happened to him.