Bone Butterfly Town: An ancient village located deep in the mountains on the southwest border. It is named after the valley behind the village that is rich in a kind of "Bone Butterfly" with wings as clear as white bones. Town residents have believed in the "Butterfly God" for generations. Legend has it that the Butterfly God feeds on human bones and blesses the townspeople with abundant harvests. Every ten years, a "Bone Butterfly Sacrifice" needs to be held to sacrifice a stranger. Otherwise, a strange disease will break out in the town, and butterfly-shaped white spots will gradually appear on the villagers' skin, which will eventually become the "nourishment" of the bone butterfly.
2. Butterfly Gu Curse: The essence of the Bone Butterfly Sacrifice is the inheritance of "Butterfly Gu". The soul of the victim will be swallowed by the Butterfly God, and the resentment will be integrated into the body of the bone butterfly to form a "butterfly Gu". The voodoo insects will parasitize in the bodies of the descendants of the townspeople and usually lie dormant. If the townspeople violate the clan rules (such as leaving the town, revealing secrets), or if the ten-year sacrifice period is not completed, the voodoo bugs will wake up, eat the memory and flesh of the host, and turn them into "bone butterfly puppets" (losing consciousness, and the body is controlled by the butterflies).
3. Memory Maze: Butterfly Gu's special ability is to tamper with and devour memories. The parasitized person will gradually forget his identity and relatives, and even develop false memories. The space of Bone Butterfly Town is also distorted by the curse. After outsiders enter, they will fall into the "memory maze", repeat the same path, or see the phantom of the deceased.
