National Navigation: I Choose a Purifier at the Beginning

Tens of billions of people around the world cross endless seas. Facing the item selection panel given by Tiandao at the beginning, everyone was frantically grabbing food and self-defense weapons. "I want a box of instant noodles!" "I want a pistol!" "I want a loyal dog!" In the crowd, Wang Yiming, who had returned from rebirth, smiled faintly. "I choose... A urine purifier!" This thing can purify urine, and naturally it can also purify sea water. This is the real answer! Three days later, when the big man holding a pistol was so thirsty that he drank urine, and when the wealthy man holding gold bricks was dying of dehydration. Wang Yiming has listed purified water on the trading channel. "One liter of fresh water is exchanged for god-level items, no bargaining!" Global channels exploded instantly! One year later, the Tiandao rankings were settled for the first time. Wang Yiming reached the top of the world with absolute results. Under the shocked eyes of all mankind, he took away the legendary natural devil fruit! "From today on, I have the final say on the rules of this ocean!" …… This book follows the evolution route of vehicles, and vehicles have multiple evolutionary routes. 1. Technological Giant Ship Route (Steel Behemoth) 2. Immortal Spirit Boat Route (Rune Spaceship) 3. Deep sea diving route (netherworld submarine) 4. The Behemoth Symbiosis Route (Leviathan's Back) …… 10. Space Folding Route (Mustard Seed Sumeru Boat)