I'm not quite sure, but I think that "Restoring the Source" is no real quest. I don't remember whether this was once a quest which didn't make it into the game or not.
This thing must have appeared very early in the development of the game, I guess.
When you find a big kettle of crazy, it's best not to stir it. --Dilbert cartoon
"Interplay.some zombiefied unlife thing going on there" - skavenhorde at RPGWatch