a spectral ice walker spirit inspired by Game of Thrones white walkers but friendly and ethereal, walking through a snowy blizzard at night under northern lights, his body made of translucent ice with faint glowing cracks and veins of blue light beneath, gentle eyes glowing icy amber, wearing an elegant festive winter robe made of frost and silver fur, adorned with snowflake patterns and crystal ornaments, long flowing cape shimmering like frozen moonlight, holding an icy staff crowned with a glowing snowflake, snow swirling around him like living wind, cold mist drifting from his steps, cinematic lighting with soft blue and white tones, aurora borealis above, realistic snow and frost textures, detailed face with calm expression, mystical and otherworldly atmosphere, inspired by greg rutkowski, magali villeneuve, ruan jia, artgerm, fantasy illustration style, ultra detailed 8k HDR, (rule of thirds composition), (frosted festive aesthetic), (spirit of winter personified), (luminous ice materials), (soft cinematic volumetric light), (gentle but powerful presence), (living blizzard aesthetic)