A/N: I don't own Supernatural or any of the characters from that story they all belong to their proper owners. Only character I own is Katarina.

Now I wasn't always a monster. I use to be a normal human girl.
I was in college, had a ton of friends, and loved my family. I was normal.
Then my friends one day suggested we should go donate blood.
Seems like a good contribution to society right? No.
That's how he found me; Crowley.
He had his minions working within the donation clinics, testing people's blood.
Looking for the perfect test subjects and that's how they found me.
That night I went home, doing my normal routine when demons broke into my home.
They destroyed everything; the last thing I remembered was a man with black eyes coming towards me.
Then it all went dark and I lost all my memories.

6 years later

"Katarina, Darling. How are you feeling today?" Crowley's voice echoed out through my cell. I sighed glancing up from the cot that I had pushed against the far wall years ago. Crowley never entered my cell anymore; or at least he hadn't bothered to since the experiments were a success. Maybe he was scared? From what I had gathered I was the only successful test subject. All the others; my friends had died. Something within my DNA helped me survive.

"I could be better. Where's my dinner?" I mumbled glancing up brushing my hair from my eyes. My cell was dark, barley any light filtering in; it almost made me wonder if he could see me as well as I could see him. One of the advantages to his tests; I had perfect night vision. Crowley chuckled from the other side of the door, looking in through a small slot. I could hear ice clinking in a glass from the other side. Rum? More than likely.

"It's coming Darling, We need to talk first. Feeling chatty today?" It wasn't a question, not at all. Crowley never asked for permission he just did it. Once again with holding my food; that's how he got us to cooperate with him. He starved us, teased us with delicious smelling morsels then walk away when we refused his offers. A lot of people caved, some died from starvation. It meant little to Crowley as all he had to do was go out and kidnap other poor souls. Unfortunately I was one of the few who caved and allowed his experiments. I still had the scars.

"What's up?" I grumbled pushing myself up to my feet. The cold cement almost burning the skin on my feet. I can't even remember the last time I was able to wear shoes or socks. There was silence for a moment before a loud sound filled my ears, the lock opening on my door before the heavy metal swung open. I spun as light poured into the room my eyes burning. Crowley chuckled as I blinked before slowly looking up out of the cell. Crowley was standing there, 3 of his demons behind him. Today he was sporting a simple black suit with a red tie; drink in hand.

"It's been a long time since you were able to walk freely. I have a mission for you." He said with a smile on that ignorant face of his. Mission? I blinked watching him; so was this what he captured everyone for? Change them into monsters and then use them in his little war? Oh yes I knew about the war; we all did. Crowley may know how to keep his mouth shut but his little demon pawns did not. They often conversed about the war, Lucifer and the angels while walking the halls. Anyone with heightened hearing could listen in. However was I willing to be another one of his pawns? Hell no but what choice did I have but to go along.

"Mission?" My voice cracked as I gulped clearing my throat. Crowley nodded his head looking back and nodding at his demons who stepped forward into my cell grabbing my arms and dragging me forward in and down the hall.

"Yes; I want you to go and help the Winchester boys." Crowley replied his back to me. Fear ripped through my body as I jerked digging my feet into the ground, the demons behind me halting. Not them; anything but them. The Winchesters killed monsters for a living; what would they do to one just walking up to them. Crowley chuckled finally looking back but at his demons rather than me.

"Boys you are not going to move her if she doesn't want to be moved. Stop trying." He ordered and the demons released me abruptly, letting me drop down onto my ass. Crowley smiled walking up and kneeling in front of me. "I want you to go and help the boys and report back to me whenever you get a chance." He finished watching me.

I gulped; I had never in my life been more scared. Here I was being ordered by the king of hell to go and help monster hunters. "I can't." I whispered looking down. Crowley grabbed my chin forcing my head up making me look him in the eyes.

"Why darling you can. You're the only surviving subject and you can't be detected. As far as they know your human; Silver won't harm you, demon circles won't trap you. Holy water won't burn. You're simply perfect. Powerful and perfect. So what do you say?"

What could I say? If I said no he would kill me; dispose of me as he did all the other failed test subjects. If I said yes then perhaps I could find a way to free myself. Escape his hold. Perhaps If I could convince the Winchesters to help me they won't see that I'm a monster. Maybe they could find out who I was before all of this. Oh I probably forgot to mention this but my human memories are gone. All I can remember is this prison; the tests. Hell Crowley even named me...he named us all. I sighed squaring my shoulders before nodding my head.

"I'll do it."

A/N: more coming =)