How in the world do you kill the rock crushers and the bats. I'm in the…

Get out of the mines first.You should visit this later after you get Happily Ever After's town weapons first.Go southwest from the island Verashema was on,you will see a small island.To be more confirmed,there's a volcano nearby northwest.You will see a forest on the northwest side of it.on the other side,there's a town.just to warn you,to go to the town,you will have to pass an area called Dogwart Plains.the monsters there are extremely strong.