a female warlock with a beautiful face and white hair and glowing blue eyes is casting a lightning spell. She wears tattered leather clothing. She is battling, fighting for her life. She is showcasing her magical abilities by casting a lightning spell. The lightning is purple. Lightning Magic arcs between her hands. She stands in an underground cavern. In the background is a crystal cave. She has magical elemental powers represented by lightning arcs. She should have an enchanting presence, exuding an aura of confidence and mysticism.