next-gen game cg character, 2.5d anime semi-realism, a kind-hearted 18-year-old female cultivator in xianxia world, wearing white silk robes with lotus motifs, holding a glowing bamboo flute, hair flowing gently in the wind, soft warm gaze, gentle smile, dreamy cloud-sea background, unreal engine 5, octane render, pbr, cinematic volumetric lighting, masterpiece, hyper detailed, 8k resolution, frontal full body shot