Definition of Butterfly Effect: In chaos theory, the butterfly effect is the sensitive dependence on initial conditions in which a small change in one state of a deterministic nonlinear system can result in large differences in a later state *** Lan Wangji and Wei Wuxian have been married for almost five years now. They loved each other deeply and they lived happily. They come and go from Cloud Recesses as Lan Wangji doesn't want Wei Wuxian to be caged by the rules of his sect. It was also an excuse to be alone with Wuxian more often. During a visit home, something happened to Wei Wuxian that no one understands why. Someone had placed a charm on Wei Wuxian and it changed the lives of Wangji and everyone else within the Lan Sect. Was it actually a charm or did someone mess with something they shouldn't have? What will happen when Lan Wangji finds out? Find out here in, Butterfly Effect. ---------- Mo Dao Zu Shi inspired Fan Fiction: Characters are not mine but from MDZS and the inspiration of this FF was of reading various books and watching all the Untamed and MDZS. I don't own the novel nor the drama or any of the pictures used as covers. All credits to their original owners, this is just a fanfic. I am going to say that there will be Mature content within this FF, I will post about it in each chapter. ❗️Mature content includes❗️ Sexual content abuse violence blood gore