She that Bianca suggested that she would put up a barrier around the mansion similar to what Sora a. k. a Ms Scout made before back in the Halloween party that they crashed.
"I see, subject change, but what is this cure you mentioned in your message a while ago?"
"Oh, about that. Someone else is going to explain to y'all, not me," Lilith said.
As they stopped at closed two doors, Lilith proceeded to push them both to enter a new room.
Edward recognized the hallway once again as he stepped into the place they all familiarized.
They all enter the door would be greeted by a few people on the other side of the hallway, the place filled with historical artefacts and paintings displayed.
As the three of them walk through the museums part of the mansion, they will be greeted by someone from a distance,
"Wait, is that Professor Dave what brings you here?"