The teacher thought about it for a moment, then smiled. "It should be just before dinner there. That will be perfect, as everyone will be gathered in the dining hall."
Wolfe gathered the power for a portal that would pass between worlds, then pulled the teacher in so that he could shape and direct the opening.
He started it with a small, baseball sized opening, that Wolfe could sense a room full of mages through. Then, he politely cast a spell that created a chiming noise, like a doorbell, and waited for someone to respond before opening it all the way.
"Ah, Elder Johns, we all thought that you were dead. It is good to have you home again. How did you manage to get a portal opened? There have been some issues trying to get to your unit, but the army has been making attempts, we're told." The old man at the other side greeted him.