LUMIAT: I was the Master, but I changed my name when I changed my ways.

NINTH DOCTOR: The Master – Missy – doesn't change.

LUMIAT: I'm the bringer of light now.

DOCTOR: Yeah, right, and I deliver pizza.

LUMIAT: (voice breaking) I destroyed myself for you.

DOCTOR: Why would you do that?

LUMIAT: I wanted you to like me.