The Doctor: [to Ashildr] Fix this. Fix it now.
Ashildr: It's not possible. I— I can't.
The Doctor: Yes, it is. You can, and you will, or this street will be over. I'll show you and all your funny little friends to the whole laughing world. I'll bring UNIT, I'll bring the Zygons. Give me a minute, I’ll bring the Daleks and the Cybermen. You will save Clara, and you will do it now, or I will rain hell on you for the rest of time!
Clara: Doctor, stop talking like that.
Ashildr: You can't.
The Doctor: I can do whatever the hell I like. You read the stories. You know who I am! And in all that time, did you ever hear anything about anyone who stopped me?
Ashildr: I know the Doctor. The Doctor would nev—
The Doctor: The Doctor is no longer here! You are stuck with me! And I will end you and everything you love.