the last bloodstone you seek is in faydark. To get it you need two items the archeoligist shovel which is in the orc caves in faydark (kill everything and break all the crates and it will eventually drop). Second you need the words of spiritual harmony which is in the plane of nightmares (this item is randomly placed in the level break everything in the entire level- including each of the extra areas and kill everything and it will eventually drop). After you have both of these items go back to faydark and go down below the elven city look at the map and to the left of the orc caves there is a small alcove go to it use the shovel to unblock the entrence. Go in fight you way through to a door saying the it is spiritually locked and use the scroll. Explore this entire dungeon area killing everything and breaking all the pots and the last bloodstone you want will drop.