C581 The Prescription for Gunpowder

Even though he was sure of it, he couldn't find any evidence. He arrived too late; those responsible had already covered their tracks. No one thought he could uncover anything, not even as the Regent. While the Regent was formidable, he wasn't invincible. However, Huo Linchen proved through his actions that he was indeed invincible, as he eventually exposed the real culprit