Roy did not know everything that had happened on Egghead Island, but he had a rough idea of some of the things Enel and the others encountered during this operation.
The author of the anonymous letter Vegapunk received was none other than Roy himself.
Over the years Roy had spent in the Pirate World, he had more or less come into contact with Vegapunk through official business.
Thus, Roy had a general understanding of Vegapunk's character. Through memories from his previous life, Roy also knew that Vegapunk had secretly researched the history of the Void Century.
Faced with the possibility that this world was about to be destroyed once again.
Roy believed that Vegapunk, a man who had always devoted himself to benefiting all humanity, could not remain indifferent to some of the World Government's actions.
After the World Government had used Uranus against Whitebeard last time.
Roy believed Vegapunk had already confirmed that using Ancient Weapons would cause the sea level of this world to rise.
Thinking of what had happened during the previous Void Century.
Roy believed that Vegapunk, the man who had recreated the energy source of an Ancient Weapon, had already begun to regret his research.
Therefore, Roy felt that Vegapunk would definitely escape the World Government's surveillance and use his own strength to save this world as much as possible.
The world's First Scientist and the World Government had never been of one mind. This could be seen from Vegapunk privately researching the history of the Void Century.
So, since Vegapunk and the World Government were not on the same side, Roy had reason to poach him.
Egghead Island might have been the most advanced island in the world.
After Punk Hazard was destroyed by Caesar Clown, this island personally built by Vegapunk represented, in