Xiao Wangsen's cold eyes narrowed slightly: "The divine physician said that only Chu'er's could be used. This king has promised you, after taking it, I will immediately decree Chu'er as the crown prince.",Chu Yun ning was stunned and disbelieving. Ye Yan'er pointed to her heart: "It's all thanks to Chu'er, otherwise I wouldn't be here today. That day, Chu'er cried so miserably that even I couldn't bear it. All I could do was watch helplessly as the blade slowly cut into his chest....","If anything were to happen to Yan'er, this King would show no mercy!"。