That's Benedict's secret, serah, he doesn't do anything without input*. He opens his mouth as if to say something when Mobius gets out his own crystal, but keeps it to himself, not seeing a point to arguing.

"Byerly would," he mumbles anxiously, but if the Provost does as Mobius asks, the Ambassador will be there anyway.
Remembering something, he leans over to Mobius' crystal and adds, "everything is achievable."

*except this I guess