In the aftermath of Alexander the Great's epic conquest of the Achaemenid Persian Empire and much of the known world (at least as far as the contemporary Ancient Greeks / Macedonians had been geographically cognizant of), his former companions would become in turn his successors (aka: "The Diadochi") and would each attempt through their own respective means to carve out their own Hellenistic Kingdom(s) at the expense of their former brothers in arms who overnight (and due to the untimely demise of Alexander) had become little more than treacherous, bitter rivals.