1. The location of the fourth Road Poneglyph:
The Straw Hat Pirates already possess copies of three Road Poneglyphs, but the fourth one’s whereabouts remain unknown. It’s highly anticipated that this detail will be revealed in 2023. Elbaf, the giant island, is the most significant suspected location for this Poneglyph.
2. Trafalgar Law’s fate:
After his encounter with Blackbeard in 2022, Law’s situation remains a mystery. Fans are eager to know what happens next for him, and it’s likely that more information about his battle with Blackbeard will be revealed in 2023.
3. The appearance of the Elbaf noble family
So far, the Elbaf noble family’s known member is Prince Loki, who was once in love with Lola. However, his true portrait is yet to be shown. Now that Eustass Kid has arrived in Elbaf, it’s expected that the Straw Hat Pirates will also make their way there soon, potentially leading to the revelation of Loki and other noble members.
4. The name of the ancient kingdom:
One Piece’s history includes a once powerful ancient kingdom that has now been erased from history. Even the name of this kingdom, if revealed, could be considered a threat by the World Government. Robin might uncover the name of this ancient kingdom if she comes across the historical books saved by the giants of Ohara.
5. Sabo’s fate:
After witnessing someone on the Empty Throne, Sabo was about to inform the Revolutionary Army when Im-sama seemingly used a powerful and mysterious weapon to obliterate Lulusia. Sabo’s fate after that incident is still unknown, and it’s likely to be revealed in 2023.