Étaín is a young fairy, her exact age is unknown. She looks like a nine or ten years old girl, and according to herself, she is nine winters old. She has a twin brother named Cáel, they seem almost glued together, it is very rare to meet one without the other.
Étaín sometimes helps out older fairies around the village, but other than that, she doesn’t seem to undergo any kind of formal education. She spends most days roaming the forest with her twin brother or venturing into the nearby school grounds. The two are always out to do some mischief or find new playmates.