Disowned Son Awakens The Emperor

A person in this world awakens an ancestral soul at a set ceremony, and the soul that comes is graded. An S is rare enough to move a family's standing. Sun Tianming has two sons and has already settled on which one matters. At the ceremony he draws the blood of the life seal out of the elder, Wei Sheng, and uses it so that the younger, Sun Jincheng, awakens the soul of Sun Ce at S. Wei Sheng is left with nothing and the family is finished with him. A system opens for him then, one that lets him pick the ancestor he calls. He picks Ying Zheng, the first emperor, and the soul that answers grades past SSS. He cuts himself off from the Suns and goes to Shenwu Academy, where he does well against the other students. The imperial jade seal shows itself through him and throws off a sign that is seen a long way off, and stronger enemies come for him after that. Demon soldiers push in from outside the borders and there are people working against him closer to home.