Apostleship Begins with Pirates

Apostleship begins with One Piece Kahn traveled to the world of pirates and got the job transfer system. He originally wanted to become a sword god, but unexpectedly he became a battle mage. He once stepped into the abyss where the roar of giant beasts was heard, witnessed the magnificent spectacle of nine dragons pulling away in coffins, and discussed the Tao with saints. This is the story of an ordinary person who traveled through countless worlds and became the strongest apostle. This book is Mugen Tenten Ryu, One Piece Naruto? ? ?