*Flasback*

"I KILLED SIRIUS BLACK, I KILLED SIRIUS BLACK!" she laughed as she ran. Then she noticed me.

"She's going to get me!" she sang and laughed.

"Crucio!" I yelled, and the curse hit her square in the back.

Bellatrix fell face-forward. Then flipped over to look at me. To my surprise she was trembling. She looked frightened. But I didn't care. She had taken someone I had loved.

"You know the spell," a voice, cold and serpent like, said in my ear. "Just say it. She deserves to die."

I turned. "EXPELLIARMUS!"

He flicked his wand and my wand shot across the room. He narrowed his eyes. Then he raised his wand and pointed at me.

"Avadra Kedavera."

A green light filled the room, and I fell, gratefully, into the black.

*End of flashback*