 Goku refuses to continue the mission, and sides with Piccolo to kill Raditz at the cost of his own life.In the afterlife, Goku trains under the North Kaiō until he is revived by the Dragon Balls to save the Earth from the invading Nappa and Vegeta.In the battle, Yamcha, Chaozu, Tenshinhan, and Piccolo are killed, and the Dragon Balls cease to exist.