Changes

* special recipes

* ability to list a limited amount of items for sale to other players (aka "consigned items"), which is similar to auction houses in other MMO's

Even when you are not interested in what a particular NPC has to offer, you may want to be able to sell your loot to them. Earning '''Favor''' with NPCs that buy your items will give you much better price as your relationship with them improves, up to the point where '''they buy items at full price'''.