It is said that the Durhan would take the soul of those who would be ready for death. The show where I discovered the Durhan was called durhara, where the Durahan, after losing its head, becomes vulnerable and searches for its head in the busy city of Ikebukuro, where it has been kept hidden after being stolen. Usually they have been depicted as something to be scared of or an evil spirit. But in Durarara it's been portrayed as a thoughtful creature