The Call of the Armor Ruins

My father accidentally transmigrated to the final years of the Shang dynasty. Twenty years later, he transmigrated back with a woman and brought a secret with him. It turned out that the Investiture of the Gods War was actually an extermination campaign waged by the immortals against the human race. After the war, humanity remained, but the human race was gone. Today, three thousand years later, human technology has advanced by leaps and bounds, and the immortals once again feel threatened. They are preparing to wage another war of extermination against humanity. I join my father in searching for the secret arts that can restore the human race, but the true identity of the woman he brought back from the Shang dynasty turns out to be…