Unbound

1) Get the letter off the dead adventurer's corpse, which is in the first left when you enter the Urn of Sacred Ashes ruins. 2) Go to tapster's Tavern in Orzammar, talk to the nervous adventurer in the northeast corner. 3) Go to the Brecelian forest's elven ruins, and inside the "fire trap" room in the lower ruins, on the left, is an adventurer's corpse bone pile. Examine that.

QUEST OBTAINED.