Occult detective stories combine the tropes of the detective story with those of supernatural horror fiction. Unlike the traditional detective the occult detective is employed in cases involving ghosts, curses, and other supernatural elements. He or she is often a doctor inclined to metaphysical speculation. Some occult detectives are portrayed as being themselves psychic or in possession of other paranormal powers.
Hellboy: Wake the Devil is a five-issue comic book mini-series in the Hellboy franchise, conceived and illustrated by Mike Mignola and published by Dark Horse Comics. Various elements and section of plot were later used in the animated film Hellboy: Blood and Iron.]citation needed[
The comic opens on the northern coast of Norway, inside the Arctic Circle, where a Zinco helicopter is landing in front of the castle that was seen at the end of Seed of Destruction. The head of the company, Roderick Zinco, breaks into the castle and is confronted by Karl Kroenen, Ilsa Haupstein and Leopold Kurtz but Zinco explains that he saw Grigori Rasputin on his private beach and left behind the words Ragna Rock and disappeared, Zinco promises them that they can use anything he has.