[If only all mysteries could be solved by something easy like dying!]

Sabo said that Ish had lost some memories, too. I wonder if he tried to do something too big for him to handle alone...or if something equally powerful hit back.

[Or he just got tired... She can only really only think of things in those terms. Understanding how an ancient witch deals with power doesn't have much room to take up in her mind.]

So we find and repair the crack, Ish gets what he always wanted from Sabo's wish and doesn't have to use our energy, and all goes back in its place? If that was the case, we wouldn't need leverage for negotiating.