Note: This quest automatically begins once you have reached the end of the Wellspring Cave.
After the scene, exit the Wellspring Cave. Follow Hannah back to the Temple of light and watch the scene. This will complete the quest.
Afterwards, follow the dirt path down the slope a short distance and you should be able to spot a silver key nearby.
Note: for completing this quest you will earn the following reward/s:
- Renown: 1,000
- Trophy: Golden Oak Leaf