The Shattered Library Merchant are the skeletal remains of a "merchant" made available with the addition of the Trespasser DLC for Dragon Age: Inquisition; the "shop" can be found in the Shattered Library.
Background
This merchant sells only two items, a shield and the corresponding schematic. The remains of the "merchant" is located due east of the library's entrance. It can be found along a path to the left of the spirit of the Archivist, against the large staircase.
Involvement
The Shattered Library Merchant's wares are unlocked upon completion of the main quest Doom Upon All the World and Attend the Exalted Council war table operation.
Wares
Weapon
Name Price 
The Best Defense
8540 
Schematic
Name Price 
The Best Defense Schematic
32730
