Crystal Saint is a supporting character in the anime series 'Saint Seiya.' He serves as the mentor to Cygnus Hyoga, one of the main Bronze Saints. Crystal Saint is a noble and disciplined warrior known for his mastery over ice techniques and his deep sense of responsibility. Although he does not appear in the original manga, his presence in the anime is crucial for Hyoga's development, providing guidance and emotional support, and exemplifying the values of sacrifice and honor among the Saints.