Five years later, Yun Keyi took the black-clad dead men Xiao Muhan gave him, Tianji Pavilion, the world's best killer organization, and some loyal subordinates from the General's Mansion to counterattack and enter the palace. Yun Keyi personally killed Xiao Tianyou and Yun Qingwu, and supported the new emperor's twelfth prince (10 years old) to ascend the throne. Yun Keyi reversed the case for the General's Mansion and avenged the injustice. Yun Keyi became the first female regent of Xuanwu Kingdom.