Blood of My Blood, Flesh of My Flesh

"Congrats, you're a werewolf. I would have gotten you a Hallmark card, but they seemed to be fresh out of this kind." The Serpents are werewolves, Betty is a witch, and Jason's death marked the start of the descent into a war that will shake Riverdale to it's knees as the supernatural world that's been hiding for eons merges with the human one. Paranormal!AU, starting from s1.