There are different theories about how to end our favorite manga. Here is a summary of what the story says.
1- Roger found One Piece but didn’t use it to incite a war because the timing was off.
2- The timing is now right because #Shirahoshi / Poseidon has awakened….
3- One Piece requires the Will of D to use.
4- The carriers of the Will of D are those who protect the world from the Ancient Weapons.
5- The #Gorosei will be taken down by a massive, #Luffy led army.
….and for you???