 After the death of his father in 1634, Erdeni Batur assumed his father's position and carried on his father's objective of unifying the Oirat tribes into a formal confederation with himself as the supreme military and political ruler.Upon becoming ruler of the Dzungars, Erdeni Batur sought to consolidate his position around the Tarbagatai Mountains, the land his people roamed.In so doing, Erdeni Batur led the Dzungars to several victorious military campaigns over the Kazakhs to his west.