Douluo: Aliens Invade the Earth?

Lin Yue, a working man in an advertising company, has the greatest achievement in life - watching "Douluo Dalu" eighteen times. Until the alien fleet split the sky, until the old man in the bookstore told him: the novel is real, the soul power is real, and the fire in his heart is also real. The old man's name is Chen Yuan, a titled Douluo, and he is about to die. "I will teach you how to practice. You will protect the earth for me and help me go home to see my daughter." So Lin Yue awakened the Holy Dragon of Light, Brother Fatty awakened the Black Turtle, and the mysterious girl became the Holy Dragon of Darkness. Seven earthlings, an old man from another world, and a group of ancient origin beasts hidden in the mountains and rivers. They want to use the most unreliable method to do the most reliable thing.