Lands of Lore III PC Q&A

Q:

Is there a way to resurrect the dead dragon in the Volcanic world? I found his grave and I found a heart stone ? and another stone...
Also, someone posted something about there being a way to open the other's dragons graves? and lots of treasures inside? In the tomb of the water dragon (i think?) I was able to jump from the top of the tomb to the ledge on the left wall... if u notice there is like a piece of it missing that drops u to ur death. I tried to do everything I could think of like dropping those stone cubes in to try to descend but I think it's just a bug? anyone have any ideas?? I can't find any buttons or secret spots.