GPT-Image-2 character promotional poster prompt

A character promotional poster of [XXX], using a unified vertical key-visual composition. Each poster follows a hierarchical layout with a larger upper section and smaller lower section: the upper half features the character’s most recognizable head, facial contour, mask, or upper-body silhouette as a massive visual centerpiece, forming a highly identifiable silhouette-style dominant shape. The middle and lower section contains the full character as the secondary focal point, standing in a stable pose or subtle…