Sandrone is a young, pale-skinned woman of medium height, with beige-coloured hair with a similar style to Lumine: a medium-length bob with two long strands framing her face and has blue-grey eyes. Her outfit consists of a long white dress with a black corset with the symbol of the Fatui in the middle with a ruby ​​reddish tone, her dress has transparent white wavy sleeves, she wears black gloves that only cover the thumb, she wears stockings white with dark brown boots.