A Golden Egg

The whole group looked at the large square trap door that was on the floor. The beast's body had covered it up, so they were unable to see it before, and if they had never tried to move the body, they would have never known it was there.

"I guess this is a trap door from that mansion, right?" Plon commented. "I forgot, this whole thing was a large mansion before it turned into a giant plant monster."

Thinking about that, Raze was looking for other signs as well. He wasn't searching the trap door but around it. However, he was unable to find what he was looking for.

'I thought there might have been another magic circle here as well. Maybe it was written on the mansion but was destroyed in the process of the beast being summoned.'

'In the first place, the Dimension Bosses don't make sense. They appear out of nowhere and only after a number of beasts have been defeated. The more I think about it, the more it just sounds like a set up from one of the mages.'