Key points of M13 Crestwood - Secrets - Dragon Age: Inquisition
1 - Veil amplifier – Artifact
M 1 – Mosaic Piece, collection: Freed Are Slaves (you must explore a hidden cave - the entrance is located to the west of the mosaic).
M 2 – Mosaic Piece, collection Freed Are Slaves: you must go through the caves under the keep in order to reach it.
M 3 – Mosaic Piece, collection Freed Are Slaves: you can get to it only by choosing an alternative exit from the Flooded Caves
G – Great Lightning Rune. You will also find Red Jenny's cache here.
B – Bottles on the Wall: Bottles of Thedas.
Banner 1 – Free Marches Banner Crown.
The above map presents all of the most important collectibles in Crestwood. This mainly refers to mosaic fragments, Thedas bottles and glyphs (runes). Apart from that, the map presents the locations of standards, among others.
Note - Some of the map markings refer to the collectibles that you find in caves and dungeons. If you cannot find a collectible, find out if there is a passage to an underground location around.