Became a Dragon at the Beginning, Signed in Seclusion for Ten Years

Traveling through another world, he became the first of the newly born mainland mythical beasts: the Holy Dragon of Origin! With a system that can improve cultivation by signing in, he spent ten years in seclusion under the sea. When he came out of seclusion, he broke through to the highest level. Unexpectedly, just after leaving the bottom of the sea, I met a big boss... "Damn it, I should have signed for another ten years!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.