Ancient Slavic primordial god, elderly divine male, towering presence, long silver-white hair flowing to waist, massive braided beard with silver and frost tones, glowing golden eyes, weathered Slavic facial features, pale skin with faint glowing runic markings, enormous antler crown made from ancient wood and roots, layered dark crimson and black Slavic ceremonial robes with gold embroidery inspired by early Slavic pagan patterns, fur-lined mantle made from wolf and bear pelts, wide leather belt with bronze ornaments, holding a glowing wooden staff carved with ancient runes, surrounded by golden cosmic energy and drifting sparks, standing above the endless black ocean as creator of existence, colossal divine scale, cinematic fantasy realism, dramatic god rays, mystical Slavic creation atmosphere