On the island at Bomere Lake is a little village.
There is a lookout at the top of the hill, right above another hut.
The Cursed Symbol is on the lookout.
Use the long poles to get up there.
Hill Gate Remnants - 1
Treasure Hoard Map
Inside the ruined tower you will discover that there is a stone barricade / weak wall on the ground floor.
Look up. There is a heavy hanging bag you can shoot down.
Do so and climb down underground.
Slide through the gap that you'll see and you'll end up in an old library with the map.
Hill Gate Remnants - 2
In the western part of the Hill Gate Remnants Ruins is a tall statue.
Below the statue is a crack in the wall, where you can get through to the Roman Artifact.
Quatford - 1
Follow the Flying Paper and catch it.
Reward: Vestri Wind Scheme (Front)
Quatford - 2
The Rigsogur, Page 4
The Paper is inside a hut near the water.
West of Bomere Lake (the big lake on the map).
It's a big house together with a World Event.
The paper will land on the top of the house.
East of Wesberie, West of Wenlocan Abbey.
A cursed cabin with a locked door.
Follow the path from the cabin to a blocked entrance to a cave.
Destroy the oil jar to get inside and get the key.
In the southwest corner of Sciropescire, right at the border to Ledecestrescire.
There is a well at the location that you can climb down after you smashed the wooden lid.
The Cursed Symbol is down in the well.
At the south border of Sciropescire.
There is an old ruined tower that is guarded.
Shoot the big cargo bag from above to destroy the stone barricade / weak wall on the floor to get to the Roman Artifact.
The roman artifact is in the roof of the big archway at Uriconium Ruins.
Easy to climb.
In the lake, west of Wenlocan Abbey is a tower ruin.
Southwest of the tower, inside the water is a Roman Artifact.
You can dive straight down, smash a box and pick up the mask.