A wide-angle, eye-level anime illustration of a surreal cityscape during a Halloween festival. In the center of the composition, a massive, inverted pyramid is violently thrust downward into the roof of a grand Western-style castle; perched precariously atop the flat base of the inverted pyramid sits the traditional white Himeji Castle, creating a towering, impossible architectural stack. The surrounding castle town is bustling with festive Halloween energy, featuring cobblestone streets lined with carved pumpkins, orange lanterns, and whimsical decorations. The lighting is a dramatic twilight mix of deep purple skies and the warm, flickering glow of jack-o'-lanterns, casting long shadows across the ornate stone facades. The atmosphere is magical and eccentric, rendered with high-quality digital painting, sharp architectural details, and a vibrant color palette of orange, purple, and stark white.