From the beginning of the novel, a man named Graff is there to push Ender to his limits through mockery, betrayal, deliberate isolation, and rare demonstration of affection for young people. boy. Graff's role in shaping Ender is unprecedented compared to any other character in the novel, aside from Ender himself. Ender must fight through tests and trials to become the smartest battle strategist in all of history. These tests and trials put Ender under stress that no child his age should ever endure. What the international fleet is doing to Ender is truly criminal; Ender's mind is filled with horrible plans to kill and destroy, and Ender cannot control the lies presented to him. Ender's moral compass is not fully developed at his age and he cannot begin to understand the gravity of the acts he commits. The constant lies he is fed lead him to believe that what he does has some level of normality. It's truly a miracle that the future Ender weapon survives the whole ordeal and nothing more sinister happens to it.