I know you skim the quest to help with successes. My question is can quests already at 100% drop nobs and xtals?
Go to the strategy section of forums and look at Toast thread about quests. Any question you may have about the quests, it is all there on the first post.
I've gotten maybe 1 xstal dropped after farming the 1st quest for 2 weeks. That was on another account of course.
It's like a .7% chance to get a nobility point off a quest. I've gotten lucky and earned 3 off of a single unload once or twice.