As revealed over the course of the last few chapters, York was responsible for several strange happenings on Egghead Island.

Source: https://gamerant.com/one-piece-york-betrayed-vegapunk-explained/

Fans have been absolutely enjoying this arc to the very fullest, especially because it is focusing on some of the most intriguing plot points in the story, including the Egghead Incident.

Source: https://gamerant.com/one-piece-manga-september-2023-schedule/

It wasn't long into Egghead Island when fans found out that the Seraphims were somehow working against the group.

Source: https://gamerant.com/one-piece-straw-hats-vs-seraphims/

Speaking of gluttons, Jewelry Bonney could also end up needing a ride off of Egghead.

Source: https://www.cbr.com/one-piece-can-straw-hat-pirates-accommodate-dr-vegapunk/

The information disclosed in the Egghead Island arc has changed the outlook of many people about certain characters.

Source: https://gamerant.com/one-piece-elbaf-arc-what-to-expect/

There was a strong belief that Oda might cover the events taking place on Egghead Island, but the mangaka had other ideas.

Source: https://gamerant.com/one-piece-chapter-1087-just-foreshadowed-the-death-of-a-legendary-character/

Undoubtedly, he is the strongest Devil Fruit user on Egghead Island.

Source: https://gamerant.com/one-piece-strongest-devil-fruit-users-egghead-war/