Ghost Weapon Developer

My name is Fang Xiaotian Unintentionally came to a world hidden with ghosts and monsters It is also bundled with a ghost weapon development assistance system. Weapons that are not available in reality can be developed based on the ghost's abilities. The Ring of Reality, the Ring of Power... A certain ghost general: "Fang Xiaotian, you devil, the ghost king will not let you go!" A certain royal sister: "Fang Xiaotian, you are mine for the rest of your life, don't even think about escaping!" A certain girl: "Fang Xiaotian, what did you do to me? Didn't you count to 13?" Fang Xiaotian spread his hands helplessly: "I just want to pick up girls, is that wrong?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.