The Archdemon (Mosaic)

The Archdemon is a mosaic in Dragon Age: Inquisition. "Pieces of an old Tevinter mosaic are scattered across the Western Approach. If recovered, they could be reassembled."

Walkthrough
The 12 pieces are found in The Western Approach in the following locations:


 * 2 pieces in the cave which becomes accessible after the Abyssal High Dragon fight
 * 1 piece Outside of Still Ruins
 * 1 piece in Sand Rock Mine near the Red Lyrium vein
 * 1 piece in the Lost Wash Creek Cave near "Lost Idol" Landmark
 * 1 piece below the Hidden Stairway
 * 1 piece in Cave at the end of On the Chantry Trail
 * 1 piece in The Thing in the Dark Cave, requires Crossing the Sulfur Pits Operation
 * 1 piece under Griffon Wing Keep in the Old Well
 * 1 piece NE of Gates of Andoral (past Coracavus)
 * 1 piece In Echoback Fort (past Coracavus)
 * 1 piece in the Astrarium Cave