At the bottom of the rickety stairs that she once led Walden Macnair down to his death, she made a sharp left turn. A locked and heavy door loomed ahead. Remembering the right combination, she was able to push it open. When Ollie started walking, she and Antonin both agreed that it was best that they keep the most dangerous artifacts and tools they possessed locked up in a room he couldn't access. Their son was only allowed in the room when he was supervised by one of his parents. They'd instilled a great amount of respect and fear for the space in their child. To the best of her knowledge, he'd never tried to break in on his own.