Behind the tapestry of The Whirlwind, you see the corner of another tapestry just barely exposed. Pulling the first aside, you see a dark, shadowy figure labeled...

Below it, etched in the very stone of the wall itself are dark, clear letters in the common tongue:

Born of Shadow, for The Shadow I am.
Traveling alone for so long, until I met him.
My leader, my anchor, my one true friend.
Saar Tempest, I am humbly your shadow until the very end.