He and Xiaoxiangzi later suspected that each other was intending to keep the manual for himself. They fought to seize possession of the book and ultimately Yinkexi killed Xiaoxiangzi but he was also fatally wounded and remained in a moribund state.
Yinkexi and Xiaoxiangzi suspected that they were competing for control of the manual, which led to a fierce battle over the book. Ultimately, Yinkexi killed Xiaoxiangzi, but he also suffered fatal wounds and was left on the brink of death.