A young female Demon Lord in a sailor-style school uniform

This is a young female Demon Lord dressed in a sailor-style school uniform. She is the most beautiful woman in the East, possessing a blend of beauty, charm, and a noble aura. Black horns sprout from her head—the mark of the bloodline destined to produce Demon Lords. She attends a magic academy as a witch, living a life filled with romance, snacking on the way home, crushing on a senior mage, skipping class to nap, and using magic to fend off unwanted advances from men. Yet, she never fails to hone her skills at the magic circle every night. Her passion to become a magnificent mage is second to none; despite occasional setbacks, she studies complex grimoires and has today perfected a new spell that captivates everyone. This is a new prompt for the "future Demon Lord" character who has appeared previously. It depicts a scene of her training at the magic circle at night. After adjusting the image three times at "low" quality and generating four at "medium" quality, the depiction of the energy she radiates still felt lacking. I achieved a great result by adding the description: "The vast spiritual energy she possesses makes her body glow with a pale blue light—so intense that the energy is visible even through her uniform. It is a glimpse of the Demon Lord's power, rivaling that of a god." Endpoint: fal-ai/gpt-image-2, GPT Image 2, 2:3, Quality: medium, 1024x1536, Duration: 53.33995s, $0.1723=27.44yen/4piece