Penelope took them into the admin building.
The moment she explained how she used her menu to access the security lock, the crowd following her took off for the other buildings.
“You’d be in trouble if there wasn’t someone here who could access all the buildings.” Jeru grumbled as they watched the crowd scatter.
They would have figured out how to get into the buildings eventually and this way it gives us a place to start. Penelope accessed the building’s menu once she was inside and set the permissions for who was allowed to enter. The cage that Cirdor had put her in was a great place to keep those who decided to cause trouble and was strong enough that it could even hold Casters who had learned