By all accounts, the malefactor and his confederates just absconded with the Crown of Confusion from its illustrious owner and are trying to fence it for a enormous citrine of legendary power.
Any adventurous soul keen on hunting down the villain and his gang will need to find their way to the distant City of Decaying Annihilation, where a confrontation with its feared guardian, the Boulder Corrupter is all but a grim certainty.