Benedict Stross

A popular legend tells of Benedict Stross, a Gold Wizard who lost his hand due to the carelessness of a rival wizard. The rival was reprimanded, but Benedict became obsessed with his missing hand. He became convinced that he could construct a perfect replacement of the purest gold, but all his efforts met with failure.

Finally, Stross concluded that he was missing a vital ingredient for his creation: the blood of his rival. He invited the wizard to his laboratory to consult on an exciting new project, then locked all the doors and windows to commence his work.

When the porters finally broke the door down a month later, there was no sign of either Stross or his rival. However, a mysterious golden gauntlet lay on the floor, with amazing magical properties…

Source

 * Warhammer Fantasy RPG 3rd ED -- The Book of Blood pg. 14