A cuuyn is a strange, slow-moving creature that can only survive in areas where the air contains a certain, top-secret compound. A cuuyn's lifespan is directly correlated with the density of the compound it breathes: the denser, the longer the cuu...

Camp spirits only appear in cases where a human body has been burned alive and left alone. It's unclear how they form, but scientists have narrowed it down to something in the bones reacting to long-term exposure to ashes. They were common during ...

Vargons are enormous, thick-skinned reptiles that form the natural apex predator in the kingdom of Skulnir. They are visibly descended from several different creatures and have four clawed feet and feathery wings, which are hidden beneath their th...

This fearsome matriarch stalks egg-laying creatures in swamps and wetlands until it finds the perfect time to strike, then takes over their prey's egg-laden nest as if it were their own. D'eggios will lay on top of eggs for days or weeks at a time...

This large avian is colloquially known as the "master of camouflage" because of the hard, spectral shards that cover its body. These scales contain thousands of prisms that capture ambient light and reflect a perfect representation of an uninterru...