Badge of Vows 88 is a Badge of Vows medal obtained during the From A Different Sky quest of the same number. The badge is the remnant of a former Riftstone, collecting it earns a reward of Rift Crystals.
- "A badge that glimmers with a mysterious light. Similar medals can be found scattered around Gransys."
Found within The Tainted Mountain Temple.
Head to The Tainted Mountain Temple and follow the path to the first pillared room of the temple - the badge is hanging in a tree that overlooks a chasm out onto the mountain below.
Shoot or knock the badge down and retieve it to complete the quest.