What They DoEdit
Vanity items will only change the appreance of your armor and/or weapons. They do not give any added bonuses when worn. There are 4 total slots where you can equip vanities, which are as follows: Weapon, Head/Helmet, Chest/Armor, Banner, Backpack/back.
Where To Find ThemEdit
Vanities can be obtained by opening crates and chests. They can also be bought with Platinum , and some (like the Amazon set) can be given promotionaly.