Sometimes you will get a monster drop that appears to have no use and is not required for any current quests. So you pick it up, chuck it in your pack, and head back to town to sell it to the merchant. Then you get a quest requiring the items you just sold! Then you start hunting for items and they don't seem to want to drop! Bet you wish you'd kept them now, eh? Hopefully this list will help sort the valuable Monster Drops from the junk: