Kelli

Kelli is an evil Empousai in the Percy Jackson series and Heroes of Olympus series as an antagonist.

History
She was a trainee of Tammi in Goodie High School attacking Percy and failed to destroy him. She was with Luke to prevent him from Changing and focus on Kronos. She died in the Labrynth.

She was seen again in Tatarus and sweped with Bob to prevent an attack on Percy and Annabeth.

Powers

 * Like monsters she can sense Demigods, regenerate and attack anything