Pairing(s): Castiel/tentacle monsterTags: fps, slash (kind of), tentacle monster, kidnapping, tentacles, fear, phobias, manhandling, cryingLink: spnkinkmeme Prompt: Cas is terrified of tentacles. He doesn’t know why, and the Winchesters have no clue either, but he’s piss-his-pants scared of them. Of course they encounter a tentacle monster on their next hunt, and while Dean and Sam …