" I killed Isaac and became stronger, how do you feel Derek? " -Artemis to Derek.
Artemis is a Alpha and a former member of the Omicron Pack, she is currently in a different pack and she killed Isaac.
Now much is known except she had killed her pack based on her choice, and had joined up with Sam knowing that with each werewolf killed she became stronger and stronger. She has fought with all the beacon hill werewolves and killed Isaac to get at Derek and his pack.
She has honey colored skin and black hair, she has brown eyes and a skinny but athletic build, she wears the usual designer clothing.