In 7th, Bustem Ulcisi as he looks like when kitted out with the Destroyer of Eternities and Collar of Shapesh. In 8th, it was the Wizarding Hat and an ordinary great weapon. With the new book it's back to a plain GW build, probably with the Scary Mask. The figure is from Rackham, and is levitating and mystical looking. Or spacy and Stupid, if it's a wizarding hat.