Disclaimer: I don't own Supernatural or the characters or whatever.

This chapter is really short...kind of like a teaser but the rest will be longer.

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And that was it. The souls were back in Purgatory.

Bobby, Dean, and Cas cast grotesque shadows upon the warehouse floor as they inched towards the door.

"I'm sorry Dean," Cas whispered, "I'm so sorry."

"I know." Dean kept his eyes forward. Not sure if he was ready to take on the topic of Castiel's recent misdeeds.

All of a sudden, Cas lurched backwards. His face pained. His eyes were brimming with panic.

"Cas? What's going on?" Dean asked; each word was laced with fear.

"Leviathan!" Cas spat out, clutching his chest. "I can feel them. They're still inside of me. They held on."

Bobby looked back and forth between Dean and Cas. Trying to scrounge up a solution.

"I don't have long. They're so strong." Cas said reaching for a scalpel on a nearby table. "Not enough time…Sam." Castiel let out a pained grunt. "Heal Sam."

"Cas." Dean said the name with a mix of disappointment and despair.

"I can't heal him now, too late for me," Cas brought the scalpel to his neck, "but maybe you can."

Cas made a slight incision, which produced a thin line of blood.

"What are you doing?" Dean shouted, panic growing.

"What little I can. I'm sorry Dean." Cas gave Dean a small smile before a brilliant blue light shout out from the cut on his neck and arched through the air. The blue light entered through Dean's partially parted lips. Once the transfer was complete Dean dropped to the ground. Black goo started to ooze from Castiel's pores. His body shook and twitched in random convulsions.

"We'll be back." The words came from Castiel's lips but they were mechanical and foreign sounding. Cas's body limped away with a sense of urgency. Leaving behind a trail of black goo.

Bobby, who had been too stunned to speak, turned to an unconscious Dean.

"Dean?" Bobby asked, shaking the slumped shoulders. "Cas?"

Dean's eyes shot open and he sucked in a quick breath of air like he had just emerged from the depths of the ocean.

"Bobby?" Dean asked, locking eyes with the older hunter.

"You ok boy?"

"What happened?"

Bobby opened his mouth to answer but he stopped when he noticed Dean's eyes. Dean's left eye was green as ever, but the right, the right eye was blue. Sky blue. Castiel blue.

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Ok, again I know that was a little baby chapter.

Thanks for reading! If you have a second I'd love it if you could review and let me know what you think!