All six horns can be found in one go by fully exploring the region. For more information, you can check our complete walkthrough for the region.
Artifact 1
This located inside a blocked alcove on the lower ledge under the realm tear. You have to destroy the wooden planks covering the alcove to find the knight corpse with the artifact in front of him.
Artifact 2
Located in the end of the wooden walkway in the dock near the beach.
Artifact 3
In the graveyard area past Otr’s main shrine, there’s a waterfall blocked by wooden crates and barrels. The knight’s corpse is behind it, with the artifact in front of him.
Artifact 4
This is found in the broken stone bridge, beside the graveyard area.
Artifact 5
After opening the massive gates across the stone bridge
Artifact 6
After draining the flooded hall inside the ruins, you’ll find the knight’s corpse previously concealed by the floodwater.