From Guild Wars 2 Wiki
- Start atop the thorny rock with two Sand Portals in Vitriolic Rim. Mount your griffon and fly north until you reach the ledge containing the cache, just south of Acrid Sink.
- Trade Contract (2, 8)
- 3 random drops. At least the following items are known to drop from this object:
- Drop research can be found here: Overlook Cache/Drop rate
- Can only be opened once a day per account.[verification requested]