What's a Martial Emperor? I Want to Rule a Planet

Chen Haowen looks exactly like the Dragon King, so he is forcibly recruited as a decoy pawn in a plot to assassinate the Dragon Sovereign. Before the assassination plan can even begin, the Dragon Sovereign arrives without warning and demands that Chen Haowen undergo a forced blood exchange with him. As a Blueblood, Chen Haowen knows the deadly rule: his blood is incompatible with that of other races, so a blood exchange would kill them both. But he can cleanse himself and be reborn four hours later, and he plans to use that to set a trap and kill the Dragon Sovereign. But the Dragon King has already laid a trap in the shadows. Chen Haowen accidentally discovers the truth: the Dragon King never intended to honor his promise of a peaceful life. He is simply waiting for Chen Haowen and the Dragon Sovereign to die together so he can burn their bodies and eliminate all evidence. The Dragon Sovereign is after his life, and the Dragon King is ready to stab him in the back. There is no way forward or back but death. The only card he has to turn the tables is the Mirror Eye, which gives him control over every mechanism. In this desperate situation, will he use his hidden trump card to fight back and take down both rulers, or use the Mirror Eye to escape and disappear?