War of Hearts
Castiel looked up at the man in front of him. The man cupped his face.
"You shall bear my child for that is your thing to do and it must be a boy. After you gave birth to my child, you are free to go. Until then, you are here and will be stuck with me." The man left him as he signaled the guards to drag the poor man with them, inside the castle.
Castiel should have not underestimate John Winchester's son. He should have not.
- Part 1 of War of Hearts