A boy reads an ancient spellbook, is pulled into a floating kingdom and defeats a fire-breathing dragon with a magic staff

Prompt

Cinematic shot, a young boy reading an ancient spellbook in a dusty library, suddenly pulled into the pages by a swirling vortex of golden light. He finds himself in a floating fantasy kingdom surrounded by towering crystal mountains, illuminated by a double moon in the sky. He stands before a massive, fire-breathing dragon made of obsidian and molten rock, uses his newfound magic staff to summon a storm of lightning, defeating the beast in a blinding explosion, and stands victorious as a shower of glittering sparks and cheering citizens fill the kingdom, hyper-realistic, 8k resolution, epic fantasy style.