It does this by restoring the ancient kingdom itself. The Will of D is meant to be carried by king candidates who will rule it. Therefore, as long as the Will of D and the One Piece exist, the ancient kingdom can be restored with a king who can use the Will of D to promote an ancient culture.
- The Will of D can't be destroyed.
- The One Piece can't be found.
- Both are being used to keep the ancient kingdom coming back repeatedly whenever it is destroyed. Therefore, the ancient kingdom can be referred to as an eternal kingdom since it is always expected to return after it has been seemingly wiped out.
- The Will of D can't be destroyed.
- The One Piece can't be found.
- Both are being used to keep the ancient kingdom coming back repeatedly whenever it is destroyed. Therefore, the ancient kingdom can be referred to as an eternal kingdom since it is always expected to return after it has been seemingly wiped out.