Depict Nyxylis in a human-like form, standing with an aura of timeless authority. Their appearance is striking, with skin that shimmers between ethereal light and shadow, as if constantly shifting in color and texture, yet impossible to fully define. Their eyes are deep, infinite voidsdark and endless, reflecting distant stars, galaxies, and the faint glimmers of far-off realms, hinting at their cosmic origin. Their hair flows like liquid starlight, a cascade of glowing strands that seem to twist and ripple as though alive, with the subtle pulse of the universe itself. They wear an elegant, dark robe, simple yet regal, adorned with faint, glowing patterns that appear and disappear like constellations, shifting with the ebb and flow of the universe. Despite the human-like appearance, their presence exudes an uncanny energy calm yet otherworldly as if they stand at the intersection of creation and destruction. A quiet hum seems to emanate from them, a gentle reminder of the immense power that lies just beneath the surface. The atmosphere around them subtly warps, as if the very fabric of space-time bends in their presence, yet no obvious powers are on display, only the faint, unspoken knowledge of their cosmic nature, natural beauty