In William Golding's Lord of the Flies, the death of Simon is the moral and symbolic climax of the novel. It is the moment at which the boys' descent into savagery becomes irreversible and Golding's grim vision of human nature is most fully exposed.
Simon as the truth-bearer. Simon is the mystic and visionary of the group, gentle, solitary and intuitive. Alone he confronts the pig's head on a stick, the "Lord of the Flies," and grasps the novel's central truth: that the beast the boys fear is not an external monster but the evil inside themselves. He then climbs the mountain, discovers that the dreaded "beast" is merely the corpse of a dead parachutist, and hurries down to free the others from their terror.
The manner of his death. Simon stumbles into the frenzied ritual dance on the beach during a storm. Caught up in their chant, "Kill the beast! Cut his throat! Spill his blood!", the boys, including Ralph and Piggy, fall upon him in the darkness and beat and tear him to death, mistaking the very messenger of truth for the beast itself.
Symbolic significance. The irony is devastating: the boys murder the one person who could have delivered them from their fear. Simon, often read as a Christ figure, is killed as he brings saving knowledge, so that his death dramatises humanity's tendency to destroy its prophets and reject truth. It marks the triumph of mob violence and irrationality over reason, goodness and spiritual insight.
Loss of innocence and foreshadowing. Simon's death confirms the complete collapse of civilised restraint on the island. Innocence is irretrievably lost, and the killing foreshadows the more deliberate murder of Piggy and the hunt for Ralph that follow.
Conclusion. Simon's death is deeply significant: it destroys the bearer of truth and goodness, exposes the innate savagery Golding believes lies in every human heart, and turns the boys finally from frightened children into a murderous mob, making it the tragic pivot of the whole novel.