Most think of Shadowmourne as the be-all, end-all reward of the Icecrown Citadel quest chain. But not so! There’s a little-known bonus once the wielder of the legendary kills the Lich-King.
The Lich-King will drop an item called the Sealed Chest one time, and one time only, per legendary. The item begins a quest to return the items inside the chest to their rightful owners. The quest items are all bind-on-pickup, however the rewards are bind-on-equip.
The rewards are five unique vanity items, as rare as the axe itself. Pretty nifty stuff.
Unpossible recently finished Shadowmourne, and last night, took down the Lich King, earning a Sealed Chest as a result. The items were rewarded to raiders present at the kill. The lucky recipients were: