As a young Riolu,Kakashi loved to train.That was because as a child,he only had one friend,a young Eevee named Sylvia.Soon though,Kakashi evolved into Lucario,and Sylvia evolved into a Sylveon.Sadly,Sylvia was taken away by humans with strange outfits.They say that the people who took Sylvia worked for Giratina,and was giving Giratina a snack.Kakashi was tramutized by this.Kakashi trained and trained,hoping to save Sylvia eventually.