Halla Treasure Hunt

Halla Treasure Hunt is a mini-game in the Trespasser DLC for Dragon Age: Inquisition.

Acquisition
Find the first map on a skeleton in The Crossroads which is immediately to the left before you head down the central staircase.

Walkthrough
After the first map is found,
 * The first one is behind the bar
 * The second one is inside the central fountain
 * The third is above the bath-house across from where the Ferelden ambassador used to be
 * The last one is at the top of the right set of stairs from the palace entrance

Rewards

 * Each Statue: +1 Cunning
 * All 4: Encore Schematic
 * Bonus: Take the top hat back to the skeleton and you'll get another +6 cunning.