[ Time marks the distance between them making it impossible to view those words through any other lens than the one he resides in. 2010. After stopping the Apocalypse. ]

Nephilims aren't supposed to exist. The angels... they follow orders. [ A narrative starts to emerge and his eyes drift to the side while he rearranges the puzzle pieces to build a picture of a future that's come crashing to his doorstep. ] Heaven must have ordered your death. I [ he stops, eyes shifting to Jack ] ... I must have stood against them.

[ His throat moves, swallowing any misgivings about his role in Jack's conception. He doesn't know what to think about it. He knew he was picking up on human habits but this? It leaves him floundering, the feeling embedding itself between his ribs until the mention of a certain archangel startles him back to the present. ]

Lucifer?

[ He whispers, eyes widening, disbelief clear in his gaze. Castiel learned to love humanity, but Lucifer? He abhorred God's favorite creation. Why would he... Nothing made sense again. ]

Lucifer is your father? [ He says aloud, and it sounds even more ridiculous than it did in his head. ] He fell in love with a human? Kelly Kline?

[ Because of course, that's how he'd think about it. ]