[He doesn't know only clings to the railing to pull himself up from the splits on the floor. It wasn't so much as being unfit as this body of his not broken in yet in some ways. Though so far - there has always been a way out. Just after a long and gruesome trial. His breath almost caught up, is about to reply when a door materializes on the wall. Which cues him running; legs exhausted be damned. As The Doctor opens the door remarks]

By the way, who -?

[The Doctor is cut short as the door handle just jolted a few thousand volts into him - don't worry. He's okay. Slightly frazzled but okay.]

Are you?