Become the Demon King in the Pirate World

Traveling through pirates, getting an unknown fruit, and being able to use multiple abilities at the same time. Then we must make good use of it to turn the pirate world upside down, give the navy a headache, make the Celestial Dragons frightened, and even the emperors of the new world must be frightened. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.