declared himself Illig Khagan of the new Khaganate at Ötüken, but died only months later. He was succeeded by his son Qara who also died shortly. The newly established empire was then divided among Bumin's other son, Muqan Qaghan and his brother Istämi.

Muqan ruled over the eastern part of the empire centered on Mongolia and defeated the Hephthalite Empire.