Cerasucs are large, furry mammals that live in deep caves and are often found in groups of 10 or more. They have a black coat and antlers that are prized for their ability to reflect light and light up dark spaces. They have excellent night vision...

Scorduls are large, slow-moving amorphous blobs of flesh and bone that live in the forest. They are nocturnal and will often hide in caves or behind rocks, waiting for prey to come close. They can also camouflage themselves by changing their shape...

Starsquid are the only known creatures that live in the upper exosphere. They are translucent floating jellyfish that hunt on moonless nights by using their bioluminescence. When dawn comes, they ascend back into the heavens to spend the day resti...

Stone gools are incredibly powerful forest creatures with skin made of malleable stone. As they age, they grow additional sets of arms on a taller and taller frame until they max out around the same height as trees, at which point it becomes incre...

Esaileis are large, carnivorous reptiles that live in mountains. They have a strong bite that allows them to crush bones, and they are capable of climbing steep cliffs with ease. They are very difficult to train, but if a human succeeds in this en...