Shaina is a supporting character in Saint Seiya and one of Athena's Silver Saints, serving as the Ophiuchus/Ophiucus Saint. She is a fierce, highly skilled warrior known for her combat prowess, sharp personality, and strong sense of duty. Initially antagonistic toward Seiya, she later becomes an important ally and protector within the series. Shaina is also notable for her complex emotions, especially her conflicted feelings toward Cassios and her evolving relationship with Seiya.