Title: once the brightest
Disclaimer: not my characters
Warnings: AUish (written before "Abandon All Hope")
Pairings: Lucifer/Castiel(ish), a smidge of implied Sam/Castiel
Rating: PG
Wordcount: 230
Point of view: third
Prompt: Lucifer and Castiel have a history (love/lust/whathaveyou) and they meet again when Lucifer is in Sam's body (there could also be something between Sam and Castiel).
"This vessel doesn't quite do you justice," Satan tells him, circling him. "It is nice enough, though."
Castiel turns, keeping his eyes on Satan at all times.
"Ah, Castiel, don't use that name," Satan says. "Lucifer, if you can't stomach my first."
Sam's eyes burn him, when used by Satan. The desecration hurts far more than expected.
He wonders where Dean is.
"Don't think of him," Satan commands, stopping to lean in close. "It's just us here, so keep your mind on me, boy."
Castiel looks away. "Are you—did you bring me back?" he asks quietly. It's not what he meant to say—he wants to rant and rail, to demand his once-beloved brother leave Sam's body, let Sam go.
"No, Castiel," Satan murmurs just as quietly. "Had I known Raphael's actions, I would have. But I did not learn of your foolish battle until later." He steps in even closer, until there would no be space between to breathe, had either of them required it. "And I told you, little brother—call me Lucifer."
Closing his eyes, Castiel tries to will himself away. Anywhere. But his once-beloved brother, the brightest of them all, the Star of Morning, speaks and he cannot do anything except listen. "Or even Sam would work," he whispers, pressing his lips to Castiel's forehead.
"After all," he says, stepping back, grinning brightly. "That is my name."