What Kroton was saying was fascinating! In fact, it was amazing. One soul being, keeping the omniverse together? But now he had been taken from his place in time and space. So what did that mean? For everyone... for every universe that ever existed... Had someone taken his place? The Doctor seemed distracted for a while.
"Were there others... Like you?" he asked. He moved towards him and placed his hands on the Cybermans shoulders gently. "You broke away, you regained that essence, that... humanity... you become something much better. There must have been more like you?"