A determined 30-year-old African American woman stands in front of the majestic Hogwarts School of Witchcraft and Wizardry, practicing her mastery of the Dark Arts with precision and poise. Clad in a sleek black and gold Hogwarts robe, her wand is raised, pulsating with mystical energy as she channels her concentrated power. Her focused expression reveals the intensity of her spellcasting, driven by a resolve to protect her students from an imminent threat. The scene is captured in a breathtaking wide shot during the enchanting golden hour, which bathes the castle and the woman in a warm, ethereal glow. The muted tones of blue and purple in the backdrop further enhance the magical aura. Her years of disciplined practice are evident in her graceful wand movements, embodying her fearless commitment to mastering dark magic. Hogwarts looms grandly behind her, symbolizing the deep-rooted heritage and wonder of the wizarding realm.