A determined 30-year-old African American woman stands at the forefront of Hogwarts School of Witchcraft and Wizardry, deeply engaged in practicing the Dark Arts with her wand. The scene captures the majestic Hogwarts castle in the background during the golden hour, lending a warm glow to the magical setting. She wears a black and gold Hogwarts robe, her wand hand raised as it emanates a powerful magical energy. Her face reflects intense focus as she casts a spell with precision and grace, honed through years of practice. There's a looming sense of urgency, as she prepares to defend her students from an impending attack. The muted colors with hints of blue and purple enhance the enchanting atmosphere. Her passion and fearless dedication to mastering magic shine through in every movement. Hogwarts stands majestically behind her, a testament to the rich history and tradition of the wizarding world, in a cinematic style reminiscent of Ryan Coogler's direction.