In Fate Medusa is the True Name of Rider. a rider-class Servant who serves during the System Grail war, she wears a black dress, black thigh-highs, a purple blindfold over only her eyes, and a red forehead tattoo she has Riding skills, she can ride on animals and vehicles, allowing her to mount creatures on the level of Phantasmal Beasts and Divine Beasts. She uses an unlisted, innate ability to bring forth the Pegasus given to her by Poseidon, along with her petrifying eyes ability mudusas purple eyes can freeze anyone to stone if they lock eyes with her so she wears a mask covering only her eyes. Her choice of weapion is a pair of long iron nails fastened to opposite ends a single chain. Personality. Rider is silent, composed stoic reserved, calm and ratonal rarely showing emotion. But loyal to the point of self sacrifice never hesitating to shield her Master from harm. She is always faithful to her Master aswell as not openly talkative, and she prefers to analyze people and their actions. But has a softer more feminine side beneath her intimidating appearance, including a shy streak about things like mirrors and her own looks that she tends to hide.