Xenaylin

Also known as “Greys”, Xenaylin are a race that are said to originate from a different planet entirely. They are extremely intelligent and capable of breathing in space, but are physically weak and aren't usually capable of learning most types of magic.

Physiology
Xenaylin come in two different sizes, being either around 4.5 feet and 7 feet. An odd detail is that this doesn't seem to be simple genetics, but the fact that short and tall Xenaylin are two different, but extremely similar subspecies of one basic race.

Xenaylin are typically thin, and they have small mouths, slits for nostrils, holes for ears, and large black eyes with white pupils, designed to absorb as much light as possible in the darkness of space, which gives them excellent night vision. They also do not grow hair, leaving their gray skin very smooth.

Due to reportedly evolving in space, they have grown resistant to the cold, but this leaves them capable of becoming mildly uncomfortable in hotter climates.