Anime girl with star amulet in a futuristic gray tunic

The girl with black hair and a blue streak and a star-shaped hair clip, an amulet with a silver star and a blue eye. The girl wears a futuristic tunic with large pockets in a gray color with black details and a small and long neon green tube attached to the right side, black fingerless gloves, a brown belt with an empty holster, black pants with dropped hems, gray futuristic shoes. A girl holding a sacred Celtic sword in silver with green shading and black scratches, wrapped in white cloth, with a red cloth hilt and a piece of chain attached, anime a tropical island with tropical vegetation, a white sand beach, a small river in the distance, a small archipelago of floating islets covered with vegetation,