When Universes Collide
Prologue – Fear
Fear is a strange thing. The Doctor always told me it was a superpower, that I was capable of anything when I was afraid. I suppose that's true. The Pact certainly knew we were something to be feared and went to extremes I would have never thought possible. Their power seemed limitless, I shudder to think of what could have happened, what did happen, the lives that were lost. As terrible a tragedy as it was, it was nothing compared to what could have happened. With millions of people at risk and trillions of lifeforms in danger, it took the Doctor's entire family banding together to stop it. That was the time the Doctor found out who I was, when two universes stood precariously balanced atop the needle of fate, when fear made gods and demons out of all of us because it was never about who was braver but who was more afraid…