Cosplayer holding green object

A woman dressed in a costume, likely for a convention or event. She has short black hair with red highlights and is wearing a black top with white fur trim on the shoulders. Her right hand is raised, holding an object that appears to be made of green glass or plastic. The background of the image is dark, suggesting that it was taken in a dimly lit area. Overall, the image suggests that the woman is cosplaying as a character from a fictional story or game.