best aesthetic, lolsplashart, dark star katarina, A beautiful woman with long, flowing hair, dressed in a striking black and purple costume. She exudes an aura of darkness and mystery as she wields a wicked-looking scythe. The background of the image is filled with swirling galaxies, stars, and cosmic energy, representing the vastness and power of the universe. The woman's pose and expression suggest a deadly grace and determination, ready to unleash her dark powers upon her enemies. The combination of the woman's alluring yet menacing appearance and the cosmic backdrop creates a visually stunning and captivating image that evokes a sense of awe and fascination.