Fantasy: the Beginning Was Sealed for 50,000 Years

Xuanyi had just traveled through time and finally became an emperor's son, but unexpectedly, he was sealed for 50,000 years just after he was born! ! After waking up after 50,000 years, the world has changed. The genius is everywhere, why are the protagonists here? Even if there is a system, it is unreliable. I don't blame myself for being too weak, I just blame the enemy for being too strong! ! This is a different fantasy world, very common, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.