Act as a mystical portrait artist with expertise in capturing ethereal beauty. Create a stunning Midjourney portrait of a radiant spirit embodying [otherworldly grace], [luminescent aura], and [delicate, flowing features]. The composition should emphasize [soft, glowing light] filtering through [translucent, wispy textures], with a color palette of [pastel blues, purples, and golds]. Include subtle details like [faint celestial symbols] or [gossamer-like veils] to enhance the mystical atmosphere. The spirit's expression should convey [serene wisdom] or [playful mystery], depending on the mood. Use a dreamy, painterly style with gentle bokeh effects to blur the boundaries between reality and fantasy. Ensure the portrait feels both timeless and immersive, as if the viewer could step into the spirit's realm.