!!WRITING PRRRRROMPT!! Crowley does go back to Heaven with Aziraphale and gets his heavenly status back. (Patreon)

And he becomes a dutiful angel.

Aziraphale stops the second coming and is betrayed by Crowley who confesses to Metatron that it was their plan all along.

Crowley is forgiven, Aziraphale falls.

Heartbroken, Crowley follows the fallen angel’s trail of scorched feathers down into hell.