^ Yes. The first half of the stage supplies you with tons of the type of boulder they want you to use, and plenty of trolls and chompies to use them on. Restart the stage after the mini-arena with the cyclops rider, because after that, boulders are few and far between. Keep in mind that you can also lob a pair of boulders into the Undead area to smash some extra chompies.
Umm... Do You mean molekin mountain because I am not very sure where this