The Dink Network

Iv downloaded isle of the croth and im up to the underground caves.. iv met the blacksmith but unfortunatly missed parts of what he said, i did manage to catch something about finding a rock, but not sure what to do with it, i did find a rock in the caves where dink says somthing to the affect of move stupid rock, iv tried shooting it, it bleeds but nothing seems to happen,.. anyone out there help me out. greatly apreciated

You need a bomb - make it

okay, so i got through that, went down the cave.. got the stuff in there, but its blocked off by something, i cant get through it, i got my bomb, tried chopping it up, but cant get through... please someone help.