To intercept the forces pursuing Piao Miao, Xin Lei, like Lei Shan, mobilized all the hidden agents within the Empire and even felt that was not secure enough, so she spent a fortune to hire the Zhi Yan mercenary group.
The fact proved that Xin Lei didn't waste her money, but in the end, all who tried to stop Caesar perished in his fury. The Zhi Yan mercenary group lost more than half of its members in one go, and its leader Yan Xinghe, along with the remnants, defected to the Eagle Alliance, meaning they could no longer mix in the Empire.
Facing the failure of the final strike, a furious Caesar was now hiding in an underground chamber, smashing things around and constantly cursing, "Konstantin, you short-sighted fool, how could the Pru'o family produce such an idiot like you!"