Yun Zi Shu took a deep breath, turned to look at Xiao Yun Heng, her eyes as cold and sharp as ice.,"You are to enter the palace immediately and summon the best imperial physicians from the Imperial Medical Bureau.",Leng Shuang's eyes turned cold, and she drew out a token from her sleeve: "I am Leng Shuang, the Shadow Guard of the Imperial Clan. Anyone who dares to obstruct me will be killed without mercy!"。