Castiel fell to his knees, grasping at the spot where Lucifer had fallen into the pit.

Lucifer?

He stared at the spot, with glassy eyes as he pulled at the grass, digging into the ground.

He murmured under his breath, disbelief and shock dripping from his voice, "Luci…?"

"Cas," Dean began, walking up to him, a forlorn expression marring his features, "Cas, get up."

Castiel continued to dig, and then rubbed the dirt between his fingers. He then clenched his fist and stood up abruptly, a fire in his eyes.

"Dean…. Dean what have you done?"

Dean took a step back unsure of how to react to Castiel's sudden movement. His foot stepped on a snake that had slithered into the field, and it shrieked, squirming to get away.

He immediately lifted up his foot and it sped through, finally nestling by the spot where Sam had pulled the angels down.

Castiel stepped closer to dean, "Dean… what the hell have you done!?"

"Cas, look, I know Lucifer might have made you think that he was the good guy, but-"

"He didn't make me think anything! You. Killed. Him. You fucking killed him, Dean!" Castiel shouted, and Dean's eyes widened when he heard the foreign words escaping through Castiel's mouth.

"Cas-"

Castiel roared and Dean tried to take another step back and tripped, falling onto the ground. He stared at Castiel in fear. This was still his friend wasn't it?

"I'll get him back." Castiel concluded.

"Don't… don't you dare. Sam died so that that bastard would be thrown into the pit! Don't even think about it, Cas!"

"Who are you, to tell me what to do, Dean. I'm an angel of Lucifer's. He is mine and I am his. There is nothing you can do to stop me from trying to bring him back!"

Dean clenched at the grass, "He's evil, Cas! He'll bring the end of the world."

"I love him, Dean! You think I care about any of that!? You think I care about this world? I don't! Humans are nothing. You, are nothing! So… if you even try… to stop me, I will kill you Dean. Without a second thought." Castiel stood over him and the angel blade fell from his sleeve into his hand. His fingers poised around it, and Dean gulped.

"Cas… please, don't do this."

Castiel glared at his once-friend and gripped the blade tighter. He grabbed Dean with his other hand, lifting him up and pointing the blade at his throat.

"Do you think I'm kidding, Dean?"

Dean said nothing.

"Well!?" Castiel's voice rose and he moved the blade so that the tip pierced into Dean's neck, earning blood to drip from the incision.

"No," Dean choked out, body stiff, fear encompassing his very being.

Castiel threw him back down to the ground and stood over him once more. He pushed his boot against Dean's side with a growl.

"Then don't you dare try to stop me Dean. I swear I will send you to the deepest parts of hell if you do." Castiel scoffed, and with the soft sound of wings, he had disappeared.

Dean simply lay on the ground, covered in wounds, breathing heavily. He had nothing left. Bobby lay dead off to the side. His brother was in Hell with Michael and Lucifer.

And Castiel, was lost to him.

He closed his eyes, praying to a God he was sure didn't care, that it could all just be over.