Fantasy: Activating the System at the Age of Seventy Makes Me Invincible

Traveling through the fantasy world, a vision fell from the sky when Xia Chen was born, and the sky was full of auspiciousness! As a prince, you are highly anticipated! But who would have thought that after awakening to martial arts, he would be born with a useless body! I have no choice but to settle for mediocrity, live a low-key life, get a wife and have children! I never thought that when my son was born, purple energy would fall from the sky, giving him the appearance of a supreme being! In order to keep his only son safe, Xia Chen had no choice but to send him away to a holy land and adopt a son to hide his identity from others. As a result, the adopted son also awakened to the Heavenly Grade Martial Veins, and the whole court was shocked for a while! Just when Xia Chen felt that he could no longer keep a low profile, the system finally woke up! "Boys, please stand back a little. After holding it in for seventy years, I can finally show off!"