Relic 1 (Reliquiary)
from the Remnant Bazaar go towards the tower, in the second tent on the left, you find a box on the ground. Examine the reverse side of the relic.
Relic 2 (Deer Charm)
This relic is in a small room in the lower part of the location. It is where you gain access to explosive arrows in the main storyline.
Relic 3 (Bullae)
On the bridge to the destroyed tower, at the gate at the front end of the bridge.