The Eclipse is a sacrificial ceremony that occurs once every 216 years in the Berserk universe. It is a pivotal event in the story, during which many of the main characters are killed in a horrific manner. The Eclipse is also known for its graphic depiction of sexual violence, particularly towards the character Casca. The ceremony is orchestrated by the God Hand, a group of powerful demons who offer the sacrifices to the Idea of Evil in exchange for power. The Eclipse is considered one of the most iconic and brutal moments in the Berserk manga and anime series.