Orson Scott Card weaves an intricate tale of a boy who is born to save the Earth in the novel, Ender's Game. Ender Wiggin is born a Third in a world where only two children are allowed per family. Ender's older brother and sister, Peter and Valentine, were not what the government needed to save the world, so Ender was born in hopes that he would be somewhere in the middle of their extremes. Peter is too violent, whereas Valentine has too much empathy. Ender is the right combination for the Battle School's needs. Although both Ender and Peter have power, only Ender has respect; both boys are instinctive killers, but Peter relishes the act while Ender regrets the act after he does it; Both boys become heroes, but both will not remain heroes when the historians begin to examine the events.
Although Peter and Ender both have power over other people, the means of obtaining the power and the way each boy uses his power is different. Peter obtains power by terrifying people. Everyone knows he is capable of cold-blooded murder, so they do as he says because it is in their own best interest. Also, he has the power of influence on the nets (networks similar to the internet), which he uses to sway the public. Once Peter has gained power, he uses the power to benefit himself. He uses people as pawns to accomplish what he wants "to rule the world. Ender, however, gains his power by simply being superior at all the games. He becomes commander of an army, but doesn't use the army to gain anything for himself, except to be number one in the standings. He makes the people in his command better soldiers by teaching them what he knows. He allows the toon leaders to make decisions in battles, so that the whole army doesn't rely on him, entirely. .
Both Peter and Ender kill throughout the novel. Peter kills innocent squirrels and animals. He threatens to kill Ender and Valentine if they do not do as he says.