Firebound Oath
read it on AO3 at https://ift.tt/OhbaDiU by TamiRyver Every secret will swim to the surface and it's only a question of when, not if. And when it does, Castiel won't stop, until he knows every single thing Dean Winchester has been hiding from him. He doesn't trust him, but he can't say that there isn't something alluring about the man. ---------------------- Suptober 2025 Prompt for day 22: Undercover Words: 1934, Chapters: 1/1, Language: English Series: Part 22 of Suptober 2025 Fandoms: Supernatural (TV 2005) Rating: Mature Warnings: No Archive Warnings Apply Categories: M/M Characters: Dean Winchester, Castiel (Supernatural), Sam Winchester, Men of Letters Organization Members (Supernatural), Demons (Characters) Relationships: Castiel/Dean Winchester Additional Tags: Alternate Universe - Fantasy, Creature Fic, Creature Castiel (Supernatural), Dragon Castiel (Supernatural), Man of Letters Dean Winchester, Man of Letters Castiel (Supernatural), Human Dean Winchester, Non-Hunter Dean Winchester, Protective Dean Winchester, Protective Castiel (Supernatural), Possessive Castiel (Supernatural), Angry Castiel (Supernatural), Castiel is Angry at Dean Winchester, Scared Dean Winchester, Desperate Dean Winchester, Helpful Castiel (Supernatural), Scary Castiel (Supernatural), Dean Winchester is Protective of Sam Winchester, Kidnapped Sam Winchester, Angst, Hurt/Comfort, Angst and Hurt/Comfort, Fantasy, Suptober (Supernatural), Suptober 2025 (Supernatural) read it on AO3 at https://ift.tt/OhbaDiU