Religion in the Mongol Empire the east of the Mongol Empire. Shamanism, which practices a form of animism with several meanings and with different characters, was a popular religion in ancient Central Asia and Siberia. The central act in the relationship between human and nature was the worship of the Blue Mighty Eternal Heaven - "Blue Sky" (Хөх тэнгэр, Эрхэт мөнх тэнгэр). Chingis Khan showed his spiritual power was greater than others and himself to be a connector to heaven after the execution of rival shaman Teb Tengri Kokhchu. Under the Mongol Empire the khans such as Batu, Duwa, Kebek and Tokhta kept a whole
Mongol invasions of the Levant Tekuder's conversion to Islam and attempts to make peace with the Mamluks were not popular with the other nobles of the Ilkhanate. When Tekuder's brother Arghun challenged him for the throne, Tekuder sought assistance in vain from the Mamluks, but was executed. Arghun (1284–91) took power, and as directed by the Great Khan Kublai (r.1260-94) continued Mongol attempts to conquer Syria. In late 1299, the Mongol Ilkhan Mahmud Ghazan, son of Arghun, took his army and crossed the Euphrates river to again invade Syria. They continued south until they were slightly north of Homs, and successfully took Aleppo. There, Ghazan