[1] In 107 AD, the Great Qiang Rebellion in conjunction with invasions by the Wuhuan and Xianbei severely weakened the Han dynasty.
Wanshi attacked the Emissary Geng Chong but failed to oust him.
Wanshi engaged in battle with a Han army of 8,000 under Liang Qin.
Southern Xiongnu troops fought as auxiliaries for the Han army in their conflicts with the Qiang and Xianbei in the following decade.
[2] By the time of Wanshi's death in 124 AD, the Southern Xiongnu state was clearly in decline.