That's just how it goes, I guess. In any case, you're more than welcome to use Virgil to help drive the main plot as well, as long as it doesn't interfere too much with Ella's subplot. It's basically just her trying to figure out her identity, and I have a feeling that Virgil will more or less be an observer for the first part of her subplot, so feel free to do with him what you want until I need to use him.