Supremacy of the Beast King

A genius scientist failed to control his experiment on space tunneling and was killed by his creation. But was given a second chance in another world inside a young boy with the same name. Is this coincidence or what? But when he found out that he was poisoned to death by his father. he knew this world is not simple as it is. Giving a second chance, he would make those people who kill him pay and try to fulfill his last life creation. But wait, there is one clause-- no, two clauses. He can't speak and-- manaless. Yet, they made one mistake? *Ding [Mental fortitude improves.] [The first test passed] [Reward: Beast Taming Inheritance] [Initiating the second test] ***** Read my other book. Ascension of the Supreme Tech King