I did. [He doesn't look regretful. He just says it as fact.] If the Composer didn't have a successor, but had a Conductor, then the Conductor gets a promotion. It's a fail safe to keep the city's UG--underground, the plane the Reapers' Game takes place in--from being destroyed, and taking the RG--realground, the so-called living plane--with it.

[Joshua shrugs amiably.]

You can believe what you want to believe. That's free will, isn't it?