What is halaku khan language?

Halaku Khan, also known as Hulagu Khan, was a Mongol ruler and a grandson of Genghis Khan. The primary language spoken during his time was Mongolian, specifically a form of Old Mongolian used by the Mongol Empire. However, due to the vast territories he governed, including parts of Persia and the Middle East, other languages such as Persian and Arabic were also prevalent in the regions he controlled.