Originally posted by Indelacio
NO HE DIDN'T!

FF5 Spoiler:He simply merged the two planets back together when he destroyed the crystals, turning them back into what they used to be before they seperated!

XD
(SPOILER)And the reason the two planets were brought apart in the first place was to seal the Void. Also I think merging planets, whether it is how they was beforehand or otherwise, is still 'changing the geographical shape'. :P