What?" He lifted his hand from her, head, Rosalee falling flaccid in his arms.

"Don't hurt her," Sam said.

"Why? She's a monster—"

"She hasn't done squat. You scared her, is what." Dean spat angrily.

"I don't—" Castiel protested, his tone and gaze searching as he looked confusedly back at Dean.

"Just—just put her down!" he commanded, shaking his head angrily

"Alright," the angel assented as he lowered her to lean against the wall on the bottom step.

"Why did you call me, if you didn't need help?" He asked, coming to stand in front of the brothers.

"We do need help," Sam explained, "But not with her. She's not hurting anything. See, there's been signs of Reaper activity in the area."

"But why are you in handcuffs?" Cas pressed, his expression quizzical as he continued staring.

"Yeah, that," Dean muttered. "We had a, uh, bit of a misunderstanding."

"I see." Cas replied. "What would you like me to do?"

"First, why don't you get us uncuffed?" Dean rolled his eyes, his tone irritable for having to make the suggestion.

Castiel grabbed the handcuff keys and soon had both brothers unlocked.

"OK, now, wake them back up." Dean groaned, stretching his good arm, holding his injured hand close to his chest.

"Alright." Cas obliged as he touched both the detectives on the forehead, who opened their eyes, looking around.

"Wha—" Hank and Nick groaned, dazed.

"Hey, this is Cas. He's—" Dean began, but stopped, making a face of annoyance as Castiel revealed himself, the shadow forms of his wings stretching across the room.

"Holy…crap…" Hank said, slowly sitting up.

"Is that what I think it is?" Nick asked, shielding his eyes.

"Yep, he's an angel." Dean supplied. " And you can vouch for the whole Leviathan thing too, can't you Cas?"

"Yes. Regrettably, I can," Cas admitted, making a face which might have been his approximation of embarrassment. "I was the one who unleashed them on Earth from Purgatory. I didn't understand then, I couldn't absorb all the souls, and—"

"I think Dean means more to the point of how we're not homicidal maniacs," Sam interrupted, shaking his head.

"Yes, the Leviathan made things very difficult for Sam and Dean while they were trying to fight Dick Roman, the head of the Leviathan. They took on their appearance and committed many crimes in their name. All of it was my fault." His voice grew grim, a deeper frown than usual crossing his face.

"Thanks Cas. So, guys. You heard it from an angel. Now do you believe us?" Dean quipped.

"Really though, you're an angel?" Nick asked, his tone still somehow incredulous.

"Yes. This form is merely my vessel. My true form can be overwhelming for humans." Castiel shrugged.

"Ookay," Hank said, his eyes getting big. "I don't know about you, but this is getting a little bit much for me, Nick. I mean, I get the Grimm thing. But…this is new."

"Hey, it's new to me. I've never heard of this before. Ever." Nick nodded

"In fairness, the Grimm thing's new to us," Sam said, laughing.

"Yeah, and the whole…new forms of monsters. I mean, seriously, do they ever run out of new kinds of monsters? It's like the universe is pissed at us!" Dean snarked.

"Wessen. Not monsters." Nick corrected.

"Wessen, monsters, whatever," Dean rolled his eyes as he spoke. "They're usually too busy trying to kill us to make much—"

"Hey, wait, what happened to Rosalee?!" Hank cut Dean off, his eyes darting over to where she lay on the stairs.

"Oh, yeah, that. See, Cas has angel powers and can knock somebody out cold just by…yeah, like that." He explained as Castiel went over to Rosalee, rousing her with a hand to her forehead.

"Ugh, what happened?" She asked as she sat up.

"Sorry about that," Sam said.

"Yeah, you went kinda overboard on the whole knockout trip, didn't ya?" Dean prodded.

"What? I only did what you asked." Cas protested.

"Cas, apologize to the lady why don't ya? You were this close to going nuclear on her." Dean scolded, shaking his head.

" I am sorry to have unnecessarily rendered you unconscious via my heavenly powers." Castiel said awkwardly.

"Good enough." Dean grunted. "Good job, Cas."

" Seriously though. Maybe next time come in a little less all guns blazing," Sam said.

"Sorry, but who are you?" Rosalee asked, eyeing Cas suspiciously.

"I am an Angel of the Lord," Castiel replied, revealing his wings.

"Oh, my god..." Rosalee murmured, her eyes growing large.

"What is he, anyways? Your guardian angel?" Hank chuckled.

"In a manner of speaking, yes," Castiel replied, ignoring or perhaps not having sensed at all Hank's levity. "I raised him from Perdition and we've been fighting the same wars ever since. Except when I absorbed all the souls, and-"

"Not relevant, Cas, and besides you already mentioned that," Dean shook his head irritably, grimacing as he shifted positions, jostling his bad hand.

"You're hurt," Castiel observed shrewdly. "Let me help." He came over to Dean quickly, eyeing his hand, which had by now turned a mottled purple from bruising.

"Fine," Dean groaned as Castiel carefully lifted his hand, his eyes glowing blue-white with power for a moment as he touched his fingertips to the injured areas about the wrist.

He stepped back now, leaving Dean to try out his hand which he held up in front of himself, making a fist.

Hank and Nick, and Rosalee stared, flabbergast.

"That's incredible," Rosalee said, speaking up first, stepping forwards to look closer.

"Hey, how about not getting too close?" Dean rebuffed, shoving his newly-healed hand in his pocket.

"Sorry. I just...I mean I've seen a lot, we've seen magic, but I've never seen anything like this." Rosalee replied, her tone apologetic as she stepped back a bit.