The present work tackles the political and reforming roleof Prince Aragon Aqa in the Mongol State between the seconddecade and the advent of the seventh decade of the seventhcentury AH/the thirteenth century AD. It concentrates on theprinces role in laying the foundation of the rule of KhanToorakna Khatoon and her son Kyook Khan. It tackles as wellhis role in the economic reformation during Manko Khansreign, the Hulague- led Mangolian campaign against Baghdadin AH/ AD and resisting Khan Buraq al-Jaghai whoinvaded Khurasan during Abaq Khans reign. The studyoccluded that Prince Aragon Aqa was a savior in all theseevents for the Khans he worked with until his death in AH/ AD.