The source provides a breakdown of the roles that each of the Four Emperors – Luffy, Shanks, Blackbeard, and Buggy – will play in the upcoming Elbaf Arc in One Piece. The article discusses how Luffy’s role as the newest Emperor will be crucial to defeating the World Government and finding the One Piece. Shanks’s role will likely involve stopping Blackbeard, possibly leading to a major battle. Blackbeard is anticipated to infiltrate Marijoa, the Holy Land, while Buggy will act as a “dark horse”, aiming to obtain the Road Poneglyphs to find the One Piece himself. The episode concludes that the Elbaf Arc will be a significant turning point in the Final Saga, shifting the balance of power and potentially revealing the fate of the world.