Vanir

Vanir is a creature in the Nordic mythology of an clan of gods and also the main antagonist of the episode  Scarecrow  of D.G.S.

History
After a group of religious fanatics led by Lucas Delpieri and his wife Juanita Delpieri begin to make sacrifices on behalf of Vanir, in Argentina, with this during a trip with their friends, Gus, Eto and Vinicius go to Peru. They find it a shame when some people start to disappear from nowhere, especially when reports of the disappearances are reported on TV. They then perceive the existence of a pagan sect, and that the sacrifices are always men and women. This is evidenced when, Eto and a man who is the son of the Delpieri are placed for sacrifices.

And at the same moment Gus and Vinicius appear, and when Vanir attacks them, Gus attacks him with his kagune, but the monster retaliates. After that, while the two continue to fight: suddently a figure of one in a black cloak with a skull face appears and says  that Gus lives, Eto are not yours  and shortly after he kills Vanir with his divine kagune, showing being a kakuja very similar to that of Eto, Yoshimura and Gus. Then he also kills everyone who was serving the Delpieri, and kills both Lucas and Juanita with a sadistic laugh. Before leaving he teases both Gus, Eto and Vinicius but spares them and leaves with his bat and dragon wings.