The recent death of Alexander the Great had heralded the beginning of the disintegration of his vast empire and the Parthians would be one of the main benefactors .
The Parthians soon headed south into Alexander 's empire .
The recent death of Alexander     had heralded the beginning of the disintegration of Alexander 's vast empire and Parthians Parthians would be one of the main benefactors .
The Parthians soon headed south into Alexander 's empire .