Mysterious God of War

Zhang Yutian, a boy from Zhang Village, was born with an abnormal physique and was bullied by others. Others automatically opened the body's combat valve at the age of eight, but he had not yet opened it at the age of fourteen, making him a laughing stock. It was also this year that his only relative passed away and he was framed. However, with the help of the Purple Golden Tiger, the king of the forest, he mysteriously opened the battle power valve and became a true warrior... At this critical moment, what happened to the black light in the body? Why can he always help him avoid danger and step by step reach the top of the warrior...