C579 Death by bestowing

Sun Xing didn't answer and went straight to the side hall. As they passed by, Zi Yan saw a young eunuch holding a tray in his hand. Her heart thumped; wine jug, dagger, and ? ? White Ribbon.

Wasn't this what the Emperor only used when she bestowed death upon her concubines and ministers? How did she manage to get the Hall of Inscriptions? Could it be ? Thinking of this