That tracked — as far as his sensors are concerned, the interior of the room is one giant void, even with his current proximity. It was why he hadn't 'seen' the room on his passes through the various levels of the subbasement and the rest of the mansion, too.

His fans stall at her words. He'd known that she was imprisoned in her world, captured by enemies and held hostage. She had trusted him with that information back in the imPort world. It was so obviously a heavy subject that he had never pressed for any further detail, not because he was not willing to know more about that aspect of her, but because it was not meant for casual conversation.

Knock Out did the same to a degree, with the Autobot-Decepticon war. She knew about it, of course, but only within the framework of what he relayed about specific people, or certain incidents, or how it tracked into a habit or predilection of his.

But he'd not known the location of where she was held. Her reluctance to commit to coming to Xavier's is suddenly thrown into a new light, and he detests it. He had thought it was related to her teammates, to the potential differences between this world and the one she'd helped erase. He hadn't known any better.

But in the end, did that make any real difference? They were here now. She had whatever answers she'd felt she so desperately needed.

Knock Out only hoped it had not broken something in the process.