Is This Water Margin? Have All the Heroes Eaten Devil Fruits?

The evil shark devours the evolutionary system! In addition to devouring flesh and blood and being able to evolve in a biological direction, Zhao Yuan can control sharks and evolve mechanically! Swallowed sonar and evolved an electronic sonar system, The search range is hundreds or thousands of kilometers! Devouring torpedoes, evolved a supercavitation system, increasing the speed to hundreds of kilometers in an instant! Devour the hull of the stealth ship and evolve the stealth film layer! ... In order to let the shark evolve better, Zhao Yuan controlled it to wander around. So a certain foreign country who likes to drive ships around is in big trouble! Today the destroyer has a hole, and tomorrow the cruiser has a big crack. In the end, even nuclear-powered submarines and aircraft carriers were poisoned by Zhao Yuan! Unable to bear it, foreign countries sent out all their military forces to encircle and suppress him! But when the giant shark emerged from the sea, Look at the thousand-meter-long, half-biological, half-mechanical Leviathan-class sea monster in front of you! The whole earth was shocked! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.