Go hit a goblin totem in their village - there's a blood stone underneath it.
Coffin with scriptures is in Boreas' treasury - it doesn't have blood stone. But if you get to his prison, you'll find a talking iron maiden - hit it to find blood stone underneath.
Also, there are two blood stones in Loic's cellar - you need to either lockpick it, or complete Immaculates intitiation.
One is in Maradino's hideout - check out the forum about its location.
One is in Knight's Tomb in Phantom Forest.
All in all, when I left Luculla forest map for the Phantom Forest I've gathered so many stones that there was nothing more to open on the Shelter Plane. So this means that you don't have to find every single one of those blood stones in the game, just enough to go to the Source Temple.
Last edited by Aramintai; 07/07/14 06:14 AM.