The Boy and The Leviathan - The Complete Series

The world of Aquamen, Sea Beasts, and Sorcery. A boy's world is flipped upside down: a Sea Beast attacks his village, killing everyone but him. On the verge of death, he is saved by a Merman who asks for him to fulfill his last dying wish: save Aquatas, the capital of the Sea World. Suddenly, the boy turns into an Aquaman with great powers, destroying the Sea Beast in his way. He then meets an Aquaman, Chronos. Thus, a prophecy begins, one that passes every 500 years. If the boy can fulfill the merman's will he is granted one deniable wish he can use to bring back his village.