I Just Signed in at the Prison, but My Voice Was Eavesdropped

Lin Xiang was framed and imprisoned in the prison. At the critical moment of life and death, by chance, he was bound to a system that could sign in in the prison.  Ding! Sign in for the 10th time in Tianlao and obtain Lingtian Sword Technique Ding! Tianlao signed in for the 14th time and received the Thunder Fist]…. Lin Xiang, who obtained the sign-in system, adhered to the principle that it is king to be patient and have nothing to do. He planned to sign in in the sky prison until he was invincible before being released. However, he never thought that someone around him would overhear his voice: a saint in a forbidden land: This boy has reached such a state. It was not a coincidence that he overheard his heart, but he was really deceived by him; if he were to stay, wouldn't there be another powerful man in the forbidden land? The empress of a certain empire: He was indeed hiding his strength. If he hadn't heard her voice by chance, she would have been deceived by him. I must keep him firmly by my side to protect me and stabilize my position, and I must not let him be snatched away by the covetous princess. …. Also known as "Sign in for a hundred days and you will be invincible"; "I was overheard by them"; "Gou Dao is invincible"