C216 Deceit
Wuhen burned the letter. He didn't want to disturb Mo Ge and Qin Ji, and neither did he want to disturb Yan Kai. Because he knew that they might not support this decision of his. Perhaps they would take the risk to forcefully snatch him away.
He did not want to do that because he was worried that Tang Qi would be hurt. If that was the case, he would feel guilty for the rest of his life