The Tomb of the Agency: the Nine Layers of Life and Death

In order to find his missing master, Mo Tianji, the genius of the secret agency, stepped into the legendary tomb of the secret service. Nine levels of mechanisms, a narrow escape from death, each mechanism hides a secret. When he finally arrived at the tomb, he discovered that all this was actually a shocking conspiracy against him, and the person who set up the plot was his most trusted master.