Harvest of Memory
Brought to the Shadowfell (which is a reflection of the world you're in, and a dark reflection too, rife with wickedness and twisted echoes and despair) by their Raven Queen, the shadar-kai are elves. Not elves as you might find along the Sword Coast, but elves that reflect their home with their physiology and attitude. On the whole they are cruel, nasty-minded people who are nonetheless singularly devoted to their Queen and her domain of power. That domain is life and death, and in their unwavering fealty to their mistress, the shadar-kai perform the thankless duty of ferrying the memories of the dead for her to admire in a kind of memory-based menagerie,