Keres are mythical creatures in ancient Greek mythology. They are female spirits who are said to symbolize violent or painful death. Think of them like scary ghosts that would make you feel very afraid!
In ancient Greece, it was thought that when a person was close to death or dying, a Keres would come to carry their soul away. They were often depicted as angry and aggressive, with sharp teeth and claws.
Some people believed that if you saw one of these creatures, it meant that you were going to die soon. Others thought that if you offered a sacrifice to the goddess Athena, she could protect you from the Keres.
In Greek mythology, the Keres were associated with war, and were thought to be especially active during battle. It was believed that they would feed on the blood of wounded soldiers, and would take the souls of those who died on the battlefield.
So to sum it up, Keres are scary female ghosts in Greek mythology who are associated with painful death and war. They were believed to carry away the souls of people who were dying or had been killed, and were feared by many people in ancient Greece.