Click the "a" button infront of the big rocks on either end and then wait for the
cutscene:
this should work!!

TO GET THE ROCKS TO BREAK YOU HAVE TO DESTROY ALL MONSTERS ON THAT FLOOR WITHOUT DOING ANY
GLITCH TRICKS> ALSO YOU HAVE TO HAVE AT LEAST ONE MYSTRILE TOOL!!HOPE I HELPED!!!

Don't push Y, push A...

I pressed a but it is not working plz respond.

have the sword equipped press a both rocks and u get a cool short cut to the mine (useless
if u have the teleport stone but fun to use ;D)