A/N: I challenged myself to write a 100 word drabble. This is the result. Last line taken from 7x01.

I'm thinking about making this into a series of 100 word drabbles. They'd all be centered around Castiel. What do you guys think?

Disclaimer: SPN ain't mine.

Chapter summary: That trench coat hid something we never had the chance to see—black wings.

Memento Mori

An icy mist coils around him, dense as white smoke. It tugs at pale flesh, cuts through shadows, and he exhales shakily; it encompasses him completely, whispers muttering the same word, over and over, from the foundation of darkness. The trees smeared and oozing fresh blood.

And he knows this can't be Heaven.

"Dean," they call. "Dean . . ."

Movement between the red trunks. And again, but it's too quick. Blackness probes his emerald eyes, vision blurring, breath lodged. Struggling for air, reaching, trying to find purchase—

Then Cas, smiling. "Oh, this is going to be so much fun."