First you need a Pokemon with-HM 01Cut,such as Persian.Also a Pokemon with surf.Then use cut on the door and it will open
Chat with our AI personalities
use cut
use cut
try to take the sapphire inside the dotted hole and the scientist that was once blocking the door to the dotted hole will tell u (to get inside the dotted hole form it into a question and type it up in the bar above)
there are no Pokemon in the dotted hole all there is are the sapphire
Up,left,down,right.