Aquilaria sinensis is like bread crumbs. Who was the last to sign?

Crimson Chen. Aquilaria Resinatum is a Xianxia drama produced by Huanrui Century, directed by Guo Hu and Ren Haitao, and starring Andy and Cheng Yi. In the play, Chen's life is also quite miserable, but the person who really pays is not the person who will accompany him all his life, so he is the last person to sign. At the same time, this TV series mainly tells the story that Ying Yuan, the Great Six Realms, and Yan Dan, the fairy of the Han Dynasty, jointly declared war on evil forces and gradually resolved past misunderstandings through mutual understanding.