Their home planet destroyed by the world devourer Galactus, the survivors would go on to worship him, believing they had sinned. Calling Galactus the 'God of Vengeance,' the Brotherhood would travel the cosmos in two massive world ships searching for inhabited worlds to sacrifice to their god.

When Hercules foiled their delivery of the planet Ciegrim-7 to Galactus, they believed their failure was sin and self destructed both their ships.