Oriental Mythical Fish Spirit

Generate a aspect_ratio image of a single, full-body oriental mythical character with a visible green fish tail, featuring cinematic live-action realistic quality. Above a quiet lake shrouded in mist, the 500-year-old green fish spirit "character_name" reveals her human-body fish-tail form. Suspended just an inch above the water, she is cutting through the evil energy approaching the lake with a smooth, restrained action.