The cavern is a small cave accessible from the Landing Site, containing foliage around the edges and a patch of sand in the middle, from which a variable number of Beetles erupt on approaching it.
- "Burrowing insect with a resilient carapace. Extremely aggressive. Insect's massive mouth enables it to tunnel through solid rock at high speeds. Above ground, Beetles can cover short distances rapidly. They attack anything that moves near their lair."
- "Species: Saturnine
Small iridescent mushroom. Typically grows in dank, dark regions."
- Tallon fern
- "Species: Tallon fern.
Nontoxic variety of psilo tallonensis. Commonly found near water sources."
- Guide stem
- "Species: Guide stem
Pervasive indigenous species of bioluminescent weed.