They were cranky, solitary, and strangely enough, often seenby humans. Nowadays, we often think of trolls asbig, clumpsy creatures who go around hitting people on the head with ahammer or something, but in the Middle Ages they were thought to have magicalpowers as fortune-telling. Asrai are small, delicate water faeries. Finshermenmight catch asrai with his catch. When exposed to air they melt, leavingnothing more than water behind.
Brownies come out at night to finish workthat's been left unfinished.
They are devoted to their householdand expect nthing but a bowl of cream and a cake for their consern. Anyoffer of reward or clothing will drive the brownie away. They like tricking humans and often cause a great deal of trouble. Parents may recovertheir own child if they can trick the changeling into revealing it's age. Selkies are faeries who put on seal skins andappear to be seals as they travel in the water.