Mystery Cults in the Greek and Roman World – The Metropolitan Museum of Art https://www.metmuseum.org/essays/mystery-cults-in-the-greek-and-roman-world
A pendant to the official cults of the Greeks and Romans, mystery cults served more personal, individualistic attitudes toward death and the afterlife.
hydria: kalpis (water jar) Villa Giulia Painter ca. 460–450 BCE Terracotta bell-krater