Navigation: the Thunder Fruit Starts from Destroying the Celestial Dragons

After being reborn and traveling to the world of navigation, Gu Yuan obtained the Thunder Fruit. "The strongest natural fruit?!" The corners of Gu Yuan's mouth rose. "The strongest physics doctor in the natural department = invincible!" "Ding, system mission: save Ace!" 'Is it such a difficult task to come up? ! Forget it, I'm the strongest anyway! ' Luffy, go! Your brother is in danger! "Who are you? How dare you stand in my way! Don't you know I'm a Celestial Dragon?!" Gu Yuan's mouth corners raised "Don't you know that I am the strongest natural type?!" "Fifty million volts ~ Brontosaurus!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.