Badge of Vows 25 is a quest item obtained during the quest From A Different Sky 3. The badge is the remnant of a former Rift Stone, collecting it earns a reward of rift crystals.
"A badge that glimmers with a mysterious light. Similar medals can be found scattered around Gransys."
The Shadow Fort: First Floor
Access the rooftop of the building on the left when entering the fort. With a running start, a delayed Levitate can be used to access the exposed beams of the building with the badge.
Climb the ladder of the jailhouse (originally used by the Arisen to unbar the door during the quest A Fortress Besieged).
Facing toward the zone entrance, there is a broken jutting beam diagonally to the right. Jump and Levitate to this beam then, then jump and Levitate to the badge that is on the beams directly ahead of this location.
This badge can also be obtained using the stepping stone that can be created using the Frigor spell, in the first room when you pass through the jailhouse door while standing with your back almost against the wall you can create a platform near the beam sticking out from the wall. When you have climbed on top of the platform you can jump towards the beam and pull yourself up.
This badge can also be obtained using double vault. After stepping through the outer door of the station room run to the box on the left and double vault to the beam jutting out of the wall(This beam can also be reached by going up the ladder on outside to the right of the door, and with a sprinting start you can double jump over to the beam). Turn left, walk across the beam, and double vault to the platform with the badge.
Fighter and Warrior characters can reach the item easily through the use of stacked barrels.