Apollo is a god of the Greek pantheon, the deity of archery among many other things. At the beginning of the novel, a dying Xeo sees a vision of him on the battlefield and believes that he chooses Xeo to survive and tell the story of what happened at Thermopylae. Xeo first saw a vision of Apollo when Xeo was a boy; Apollo saved him from death and encouraged him to learn to shoot a bow and arrow. Throughout his life, Xeo maintains a deep devotion to Apollo.