The Mystery of the Oro Jackson's Egg

Throughout the journey of the Roger Pirates, a mysterious, colossal egg was kept prominently on the deck of the Oro Jackson. Despite the conclusion of Gol D. Roger’s voyage and the subsequent decades that have passed, the true nature of this egg remains one of the most enduring enigmas in the One Piece universe. Theories range from legendary creatures like ancient dragons to the origin of powerful Devil Fruits or even a dormant Ancient Weapon. What secret was hidden inside that shell?