Together with your own shovel,"dig" place, and you will fall through. You may now be within an under-ground coating with RuneScape gold three chambers. Walk to the next room and the two skeletons will be there. They are just level 14 and should be simple to kill. They will both shed"unholy keys" Fortunately, if you have the recommended items, then you're invincible into the melee attacks.
The magic attacks are low-level stat lowering attacks, such as weaken and confuse. NOTE: YOU CAN DEFEAT THE UNHOLY GHOST WITHOUT RUNE! Go to the next room where there will ber a massive fire under the roots of these trees. Go into the west end of the room and you willl see a cage comprising father uhrney.
Speak to dad uhrney and he'll tell you that you have to pay for the key. (If you accidentally burn off the key, there will be a respawn in a chest at the east corner of the room.) "use" the unholy leather on the unholy key, and then use the unholy coated key onto the molten lock. This will free father uhrney, who will then extinguish the fire with a prayer. Speak to father uhrney and he will tell you that they caught him to get a particular bundle that he needed the priest at lumbridge, and he'll tell him that Buy RS gold he delivered the package to his good friend magician mizgog in the wizard tower once he heard that his captors were coming for him.