Warning: Dean and Sam are about to have a fight, the biggest they've had in years, but I promise there's a good reason for this fight, and I was trying to mostrar things aren't shiny, beautiful perfect. I also wrote this before the Season Finale, so it might seem strange for them to fight like this. oso, oso de with me.
Sam looked at Dean, and they were both quiet for several segundos before Dean spoke again.
"How could Lilith have any children? She's a Demon."
Cas lifted his eyes to Sam's, and the younger Winchester...
"How is this possible?" Castiel asked even as Michael stepped into the cocina and looked around. "John Winchester is dead. His remains were burned. Why are tu here?"
Michael grinned again, easing closer to the main room where Mary and Adam were sitting. "Even I still have some pull with my Father, after what happened anyway. I liked this vessel once, and when I sensed the child, it was only one of the favors I was able to call in." Michael turned to Castiel. "Your senses have been dulled por your Human charges."