The Mirror Twins were one of the two main characters in "Fate/Stay Night", and the other was Ling. The Three Tragedies referred to the three tragic events that the Mirror Twins experienced in Fate/Stay Night. The first tragedy happened when they were still babies. The twins 'mother was a mysterious female mage who had to leave them for some reason. After her mother left, the twins were sent to live with a relative. However, this relative abused them and eventually led to the twins 'death. The second tragedy happened to Mirror Sound Bell. In Fate/Stay Night, Bell was the adopted daughter of the main character, Ling. In an accident, Bell lost her mother and Ling became her guardian. However, Ling had no choice but to face a thorny problem-how to manage a child with a strange personality and abnormal behavior. After Ling's constant efforts, the bell finally returned to normal. However, the Mirror Bell had developed extreme jealousy and hatred towards Ling. The third tragedy happened to Mirror Voice. In Fate/Stay Night, even Ling's twin brother was Ling's adopted son. Lian lost his father in an accident, and Ling became Lian's guardian. However, Ling realized that Lian was not as strong as he had imagined. He was very fragile and could not even bear his own sorrow. In the end, he lost his life. These tragic events made the Mirror Twins one of the most iconic characters in Fate/stay night and one of the favorite characters of many readers.