"Look, you all are welcome to do whatever the hell you want. Playing cat and mouse with an insane man isn't high on my list of things to do." He looked around, then closed his eyes and concentrated, hard, shoved hard against the mental construct with everything he had. he was no Time Lord, but he wasn't half bad for a human, and he was a couple of thousand years old. He wasn't even trying to make anything happen, he was just trying to make the Master work to hold the shape of the place. "Feel free to help," he told his companions.