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
First Mongol invasion of Burma encircle the Song dynasty of China. When King Narathihapate refused, Emperor Kublai Khan himself sent another mission in 1273, again demanding tribute. It too was rejected. In 1275, the emperor ordered the Yunnan government to secure the borderlands in order to block an escape path for the Song, and permitted a limited border war if Pagan contested. Pagan did contest but its army was driven back at the frontier by the Mongol Army in 1277–78. After a brief lull, Kublai Khan in 1281 turned his attention to Southeast Asia, demanding tribute from Pagan, the Khmer Empire, Đại Việt and Champa.