first. Brook is 88-90 years old, but why is his hair still black? Is his “living” skeleton immortal?
2. Luffy after all is Dragon’s son or not? Why does Luffy look exactly like Roger when he was younger?
3. The Kuina that Zoro hadn’t defeated as a child had fallen down the stairs to death? Is Tashigi the same Kuina who grew up after losing her memory?
4. Why did the red-haired Yonko Shanks get his left arm bitten off by the sea king?
5. Why does “tyrant” Kuma know where the members of the Straw Hats were sent to train for 2 years? Where does the name “violence” come from?
6. Is Marine Vice Admiral Tsuru Luffy’s grandmother?
7. Why doesn’t Buggy recognize the straw hat Shanks gave Luffy?
Source link: One Piece’s 7 question marks that no one can answer