It was a bright and sunny day in Unova, Keldeo was out in the forest training with the other Swords of Justice—Virizion, Terrakion and the leader Cobalion. Keldeo was training to become a Sword of Justice but it was unable to use its sword unlike the others. "I want to battle Kyurem! And become a Sword of Justice just like you all!" Keldeo said as it trained with Cobalion. "No, until you learn the weight of your sword, only then will you be able to use your sword and become a sword of Justice." Cobalion said as it easily sidestepped Keldeo's attacks while Virizion and Terrakion were watching the training.