In "Ender's Game," one character reflects on a traumatic memory involving another boy named Bonzo. The speaker recalls a violent encounter where he used his head in an aggressive manner, indicating the severity of the situation. The graphic imagery of Bonzo's injuries, with blood coming from his eyes and the implication of serious harm, suggests that the encounter had dire consequences.

This moment reveals the weight of guilt and the psychological impact of the violence experienced. The character grapples with the possibility that he might have caused Bonzo's death, highlighting themes of responsibility and the moral complexities of their actions during their intense training. This haunting memory serves as a pivotal point that echoes throughout the narrative, affecting the protagonist's psyche.