Vassago, in demonology, is a mighty Prince of Hell (see Hierarchy of demons), ruling over twenty-six legions of demons. He can be persuaded to tell the magician of events past and future, can discover hidden and lost things, and has a "good" nature.Vassago in literatureVassago plays a significant role in the novel The Day After Judgement by James Blish, where an ambiguous relationship to the majority of the Infernal forces is implied. A psychotic serial killer character takes on the na