A cult kills Adrian Hews and he finds himself in a victorian world in the body of a detective who is also a murderer and  he finds himself investigating a murder that he committed and he discovers that he has the power of seeing the deads final moments as he tries to survive he discovers the Supernatural truth of this new world and joins a special task force dedicated to investigating Supernatural events.Elysium of Mysteries is an isekai in a Victorian setting with supernatural powers focused on mystery and power progression with many different types of power sets and special abilities.