User blog comment:Dark Doctor/Fishman Island Destroyed/@comment-3986064-20110909015938

well it all depends on what does it mean that FI will be destroyed, my guess is that it will be destroyed as in the bubble coating being broken, then the content of the interior of the bubble will fall down to the bottom of the sea and become normal soil, but the magnetic field will still remainOP physics)...wait, but I think I remember something, even though our physics don't apply on OP, sometimes they do, well lets combine them. Earth has a magnetic field, because of the movement of the molten iron from the core, this is created by the gravity of the planet pushing it inwards creating the movement, with such huge quantities, the temperatures and force are way higher so it melts, in OP, speculator y, it would be because of the weight of the islands pushing onto their centers or wherever to create the magnetic field, as long as the islands are held together in place, the field exists, if not, then its gone, it could be true since if magnetic field would be created by something, why would it not exist at random points on this great sea?, then after my weird and long explanation, my answer is, yes, the SH are the last people to go to the New World via FI