The Grey Lady's mouth fell open with the mention of that name...Isfret...she could hear it echoing in her head as she walked around the circle kicking the salt out of the way to release Peeves.

She glanced at her fellow ghosts with a little bit of panic in her eyes and then said to no one in particular, "Perhaps we should head to the Spirit Room to discuss this..." and without waiting for a reply, she floated through the wall and on a mission to their room.