Other World Mountains and Seas

Traveling through another world, practicing until the end, you found out that you were a super boss in your previous life? Let's see how the protagonist tames, hunts, and trains dragons in another world, and embarks on the road to becoming an immortal. This is a world with divine dragons, giant kuns, ferocious beasts, and evil spirits. Countless strong men spend their entire lives trying to break through to the final realm. In the end, I discovered that the way to become an immortal was. . . . Reincarnation? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.