Sakuya took a while to respond, as she had to take time to absorb the information she had just been told. She folded her arms, and nodded. "That indeed does sound like a big plan... Don't worry, I understand how you feel."
She gazed at Zexion and smiled. "I too, had a similar past - I don't remember much of it, but it's how I came to be here, to serve under the mistress."
She looked up at the grand painting of her mistress, and smiled. "I was so young, full of determination. To take down the one species that took away the lives of my loved ones - that was the only thing I lived for. Vengeance."
She paused for a bit, with all the past memories and experiences slowly coming back to her, one by one.
"I had annihilated so many back in my day. It wasn't until I had been defeated by my mistress that I stopped my occupation as a vampire slayer."
She took out the knife from her holster, and threw it at a dart board directly behind Zexion. "I had mastered the art of knife throwing and other things before doing so. I don't recall the person who had taught me, but I doubt they're still alive." She sighed. "After all, everyone I cared for was taken away from me. Well, the past is the past. That's what I kept fighting for, until I met the mistress. She gave me a new name, a new identity - I was no longer living in the past. I was living in a new future, and I'm grateful for her.