 Tumen got angry, killed Anagui's emissary, and severed relations with the Rouran Khaganate, started an open revolt with help of Yuwen Tai.Some time between February 11 - March 10, 552, Anagui was defeated by Tumen in the north of Huaihuang (in present-day Zhangjiakou, Hebei) and committed suicide.Following the defeat, Anagui's son Anluochen fled to Northern Qi, while his uncle Yujiulü Dengshuzi succeeded him under protection of Western Wei.