"...It's a heavy vow," Erin murmurs. "Though I hesitate to compare the two, the Blackbirds are more selfless than even a joyeux, and they sacrifice a lot for it. And praise be that they do, for who else could take their work up among the Lost? But...we're all of four of us here. I have to wonder if you're being asked to mind such a small flock, or if the ship itself would be your see."