"Contains a complete cosmetic Armour of the Eastemnet set."
This item is acquired when you open the Gifts of the Aldors.
Once you open this gift box, all of these items will be placed into your inventory:
Boots of the Eastemnet
Gloves of the Eastemnet
Hauberk of the Eastemnet
Helm of the Eastemnet
Shoulders of the Eastemnet