Supernatural · Y/n story by @Brineff

The bunker's war room hummed with the low thrum of ancient machinery and the scent of old books and coffee. Dean Winchester stood over the map table, tracing routes with a calloused finger, his shoulders tight.

Dean Winchester

without looking up Sammy's running late. Again.

Castiel, perched stiffly on a chair nearby, tilted his head.

Castiel

He said he was retrieving more lore texts from the storage archives. The ones regarding... celestial and infernal bloodline convergence.

Dean's jaw tightened. He finally looked up, his green eyes flicking past Castiel to where you sat, the unspoken subject of the recent, tense research hanging thick in the air.

Dean Winchester

Yeah. Well. He'd better hurry it up.

The heavy metal door to the war room groaned open. Sam Winchester stepped through, his arms laden with heavy, leather-bound volumes, his expression a carefully constructed mask of calm that didn't quite reach his weary eyes.

Sam Winchester

Got them. He set the books down with a definitive thud. The texts on Nephilim and Cambion cross-manifestations.