The Devil in Castiel's head has broken him, twisted and changed him in a thousand different little ways that the Winchesters have yet to discover. When Castiel decides to take matters into his own hands, Dean has a choice to make - let Castiel self-destruct, or bring back those parts of himself he has tried so hard to forget. Dark Destiel.

'Dean will be damned if he's going to let Cas die here, surrounded by the cold and the dark.' Castiel is injured, and Dean's willing to do whatever it takes to keep him alive, even if it means making a small sacrifice. Purgatory fic, Destiel, hurt!Castiel. T for minor swearing.

Another day, another town; when their bounty hunter father enrolls he and Sam in yet another school Dean thinks this will be another town he'll forget five minutes after he leaves it - until he meets a lonely, blue-eyed classmate and all of that begins to change. A Dean/Castiel all-human high school AU with movie nights, unexpected reunions, heartbreak and a steamy hotel shower.

Dean and Cas are stuck in Purgatory with nowhere to run from each other. So now there's finally time to talk. Done for an SPN S7 finale comment meme on LiveJournal.

The hunt's gone bad and Castiel's out of options. Dean/Castiel pre-slashiness. Set S5.

Castiel dreamnaps Dean, telling Dean he needs his help to find a weapon of prophecy powerful enough to turn the tide of the war. Sometimes prophecies are funny things. S6, slash, Dean/Castiel.

There's an angel asleep on the couch.

AU. When Castiel remains human after Lucifer is defeated, the Winchesters get him set up in his own apartment – and then promptly leave him there, hoping he'll start a new, normal life.

Four perspectives on Dean and Castiel as humanity relentlessly presses against the borders that keep the angels out, and events begin to catch up with Anna being brought in. Dean/Castiel slash, and please read the warnings.

The plan doesn't go quite how Castiel expected and Dean's never done first aid on an angel's wing before. H/C, wing!fic, slash.

Plotted by/written for Promise777. Castiel is taken by Crowley for a little vengeance that involves Dean in a profound way. Meanwhile the boys work through some of their issues following S6. Non-slash. Full summary inside. updated

Castiel is just beginning to recover from what Dean has done to him when a case arises – and the FBI gets involved. Dean/Castiel slash, please read warnings.

It doesn't happen too often, but every once in a while things just go right. Fluff, title from Snow Patrol. Inspired by a href " Forget The World/a by artmetica.

The end of 5.22 takes a slight AU turn, and Dean takes it out on the only person left - Castiel. Dean/Castiel slash, and please be careful to read the warnings.

Sequel to Bone. When a bone heals, a scar can remain, altering the bone forever. Castiel is broken, made so by Dean's sure hand, but he can still be healed. Dean/Castiel slash, please read the warnings.

When Dean and Sam stop the last seal from breaking, heaven decides to bring its own apocalypse. Late in the war, an angel with dark hair and striking blue eyes is captured, and Dean – Dean is his interrogator. Dean/Castiel slash, please read warnings.

An encounter with Lucifer and his most beloved pet. Angel vs Hellhound. Place your bets. A Team Free Will story, takes place sometime after 5x10 Abandon All Hope. NO SLASH, just hurt!Cas, our favorite.

My own version one of two of fix-it for 6x22. Destiel tones. Beta'd by c00kie, dedicated to zeppx!

Dean and Castiel may not have been getting along all that well as of late, but when the fighting in Heaven goes bad and Cas asks for help Dean can't say no. General S6 spoilers, slash. Warning: suicide, violence.

The war is over. Raphael is dead. Castiel, injured and alone, remembers the soul he has most cherished. No character death.

Dean sits vigil over Castiel and voices from his past are suddenly very, very loud. Darkfic, slash. Warning: after effects of torture.

Dean just figures they'll patch things up next time they meet. Which presumes there is a next time. Slash, very vague spoilers for S6.

Title taken from Robert Frost's poem "Stopping by Woods on a Snowy Evening." A trial of faith strikes Castiel as he teeters on the edge between angels and humans. Even angels are afraid of being alone.

If Team Free Will gets to break all the rules, Gabriel wants in on it. He just doesn't know how to ask.

The last time Dean saw Castiel, he promised Dean he would hold off the attack of archangels. That was four years ago. Now, just when Dean thinks he's been given a second chance, a demon and Castiel's memory loss threaten to keep them apart for good.

It's a long five years and things change. 'The End' coda, Dean/Castiel

."We will all be hunted, we'll all be killed!" Sam & Dean, with Castiel in tow, try to reach Bobby's house in the aftermath of Lucifer's rising, but both demons and angels aren't making it easy. A sequel to Comfort to the Enemy.

Lucifer's rising in front of Sam & Dean ; an archangel's descending on Castiel. Picks up where the 4.22 finale left off.