"Lets go." Fiera said, she then performed one of her best attacks, a kick enhanced with fire aimed for the head.

Raven, being more limber than Fiera, ducked under her leg and performed a solid palm strike, hitting Fiera in the stomach, dropping her to her knees.

Fiera then coughed and a bit of blood escaped her mouth. Seeing her blood, Fiera became enraged and she transformed into the Flame atronach and she conjured a flame serpent. 

Raven made sure she was close to the shadows at this point, and Fiera flew towards Raven, fire ball in hand.

Raven smirked and rolled off into the shadows, making her nearly invisible. 

Fiera stopped and glanced around the room. "Where is she?"