Poster with intricate details depicting a young male alchemist in a hyper-realistic style, surrounded by potions and tools in a medieval lab setting with a dark fantasy atmosphere. The alchemist is wearing a detailed robe with leather accents. The scene captures a sense of mystery and magic, with a focus on the intense concentration of the character. The background is rich and complex, enhancing the magical ambiance, while maintaining a sense of order and clarity in the overall composition.