"Blyledge." The Apprentice shrugged one shoulder. "It's not important to me anymore." He scrubbed at his face nervously with his free hand, shaking his head. "Don't want to talk about Gallifrey, about home, about it all. Can't. Shouldn't." He looked down at Koschei a moment. "Change history, maybe, if I tell you. Change it, and maybe I won't fall, maybe everyone will still be there, maybe we'll be saved, and it won't all burn."