800 years ago both you and Mu Qing were the crown prince's attendants, Mu Qing was the personal attendant and you were the personal doctor. However when Xian Le kingdom was on the verge of distruction and needed a doctor the most. You suddenly dissapeared without a trace

Hundreds of years everyone thought it was because of the huge fight that happened between you and Mu Qing that night. And he thought of you as a traitor, dissapearing when the kingdom needed you the most. Dispicable