Anime girl warrior with crystal sword in ruined hall

A girl with long, dark blue hair and a black demonic horn decorated with gold decorations, long, narrow pieces of fabric with a black raven pattern tied to her ears, a white lace collar, an oversized, open jacket with a dragon scale motif in dark blue with a red tint, a large black zipper with a silver zipper in the middle, a knee-length gray skirt with lace trim and additional elements of a sweater with a large, black and white sports shoes with red laces, anime the right side of the girl's body is covered with a purple crystal, the girl fights with a sword held in her left hand, a sword made of black and blue crystal with a white specter of a barely visible figure in the background of the ruins of a large white wall covered with colorful crystal, anime a person practicing martial arts in a stone temple with modern lighting, multi-colored and intricate wreathed flags hanging on the walls, the temple hall is finished in light brown, there is a large spacious window in the ceiling from which warm light falls on the central point of the hall, small pillars made of carved dark wood, anime,