Dark elf
Dark elves (AKA Drow, Alvar) are a race of underground dwelling race of elves.
History
Dark elves are evil, but at some points heroes come to be. They live in underground regions. They have lots of enemies such as sun elves, deep dwarves and others. They build their cities within tunnels underground or on land they use caves. They are good barbarians too. They often breed an unnamed species of felines living underground, they also breed saber cats on land.
Speculation
It is possible that the Dark elf is related to the Night elf in some way.