Enchanting, imaginative, book cover artwork, three-quarter angle, Hermione Granger, human, transformed into mermaid queen, radiant, flowing silver hair, captivating gaze, iridescent tail, regal seashell crown, underwater paradise, vibrant marine life, enchanted castles, submerged ruins, soft pastels, watercolor, misty undertones, 8K HD, hypnotizing charm., dim light, Green hue, Lo-Fi, Split Toning, Perfect detail by: Arthur Wardle, Tooth Wu
(Hermione Granger,  Mermaid (Queen:1.5), underwater kingdom.