Ghal Maraz ('skull-splitter' in the original Khazalid) is the name of the legendary warhammer once wielded by the founder of the Empire of Man; Sigmar Heldenhammer. The mighty weapon was gifted to the young Unberogen prince in -15 IC, when a young Sigmar and his warband of Unberogen warriors rescued Dwarf High King Kurgan Ironbeard from his captivity by Orc Warlord Vagraz Headstomper and his small army of Greenskin warriors. In addition to its practical use, the warhammer was also a symbol for the treaty of friendship between the Dwarfs and the Unberogen tribe that lead to the spread of iron-smithing, literacy, and engineering among the Tribes of Men.