|This is the article on the 519th chapter of the manga. For the technique, head to Tailed Beast Ball.|
"The Tailed Beast Ball" (尾獣玉, Bijūdama) is chapter 519 of the original Naruto manga.
After hearing Kankurō's speech, Sasori's body begins to crumble. Before returning in the afterlife, Sasori entrusts Kankurō with his puppets "Mother and Father", and tells him to pass them on to the next generation. After discussing a potential weakness in the Summoning: Impure World Reincarnation, the team prepares for their ambush. Kabuto tells Tobi to go ahead to the front lines, while he stays hidden, and focuses on his technique. Naruto begins to learn a new technique.