I was thinking that if you need items for a quest, and they drop off of monsters, that the looting chances are higher for that item. For example, the Diseased Rats have the same chance of something being on them to loot (very low, 10-20% chance... Again very low), but if I needed 10 D.R.Bloods, I don't want to waste 10 hours to do it. Though the problem is this idea is that people would abuse the system and use the higher looting chances from the quest to get more items than they need. Though a boost is needed for some monsters, but not much, maybe an extra 5 percent for some. Too much and you have abuse, and too little and you get complaints (like this).