Does it explain how old Wano is under the sea as well?
Also if the WG can terraform at that scale then its fucking insane and wont the people remember that their old world was sunk?
Most of Wano is under the ocean because the true Wano was sank during the last Great Cleansing. Bet.
BET Raftel is under the Sea in some way. That’s why no one can find it just by sailing around and they need the Four RP, because the Four RP tell them how to reach the true Raftel which is sunken. Fucking bet bro.
Also, the greatest OP theory of all time is about to make a resurgence. A guy posted a theory on Arlong Park that said Luffy will actually destroy Fishman Island like what’s her name predicted, because Fishman Iand sits at 1/2 points where every sea in One Piece comes together. So Luffy will destroy these two points, bringing all oceans together and creating the All Blue. Which will probably lower the sea level and reveal the true world of OP.
Bet.