Abyssal Layer
The Abyssal layer is the ground level of the Green Maw forest biome. The halfling population here is the smallest of any biome, and most residents are salt miners. Brachiation is only possible from vines and roots tunneling from the Twilight layer into the Abyss' vertical boundaries. Cloudscraper trees often have stairs built from their Twilight layers down to the Abyss.
The world of the Abyss is nocturnal. When light appears, its source is usually bioluminescent. The ground is uneven and thick with fungi, decomposing collapsed trees, caves of gnarled roots, and towering tree trunks of all diameters.
Most trees of the Green Maw have their roots in the ground of the Abyssal layer, but vary in how they get their roots there. Some drop seeds in holes along the Twilight layer's floor. Abyss, and those seeds' germination is awakened by loud sounds and seismic activity. Some species shoot their seed in the twilight layer, with their initial root system in the plant layer, and send suckers downward to become roots in the motherlode of actual soil nutrients. Others also establish in the twilight layer growing heavier and heavier until they crash through to the lower layer.
Common fauna include:
- Fungi
- Death lanterns, a symbiote comprised of a transparent slug and a bioluminescent slime mold.
- Light sleepers, a fluorescent mushroom that releases psychoactive spores.