What happened to Simon after he witnessed the kill of the sow?

After witnessing the brutal kill of the sow in "Lord of the Flies," Simon becomes increasingly disturbed and disoriented. He experiences a profound sense of isolation and confusion, feeling disconnected from the other boys and the savagery that has overtaken them. This traumatic event deepens his awareness of the darkness within human nature, ultimately leading to his tragic fate when he is mistaken for the beast and killed by the other boys in a frenzied ritual. Simon's death symbolizes the loss of innocence and the complete descent into savagery in the group.