What If Luffy Is Reborn and the Four Emperors Are Also Reborn?

Bad news: traveling through the world of pirates. Good news: The object of time travel is Wang Luffy, the future Four Emperors. Bad news: The Yonko, the Shichibukai, the Three Great Generals, the Five Old Stars, all the world's time travellers, all know the plot and are waiting for Luffy to come and die. The world has been restarted, and everyone has been reborn through time travel. Although I know the future plot, the future will not develop as before. Question: When reborn in the pirate world, easy difficulty changes to hell difficulty. How to overcome it? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.