Shin is initially used by Sasori as a human bomb, filled with Deidara’s explosive clay. In a gruesome display of the Akatsuki’s lack of mercy, they attempt to detonate Shin to wipe out the Allied unit, only for the explosion to be stifled by Kankurō's puppet, Sanshōuo. Breaking the Bonds of Root
Seeing his brother treated as a disposable tool triggers a rare, explosive emotional response from the normally stoic Sai , who uses a flying knee kick to break Shin's neck in mid-air.
Kankurō uses Sasori’s own old puppet body against him, eventually capturing both Sasori and Deidara.
Omoi plays a key role by using Lightning Release to counter the explosive clay within Shin’s body, demonstrating the Allied Forces' ability to exploit the Akatsuki's elemental weaknesses.
The conflict resolves when Sai shows Shin the final pages of his picture book, which depicts the two of them holding hands. Seeing this completion allows Shin’s soul to find peace, breaking the Reanimation Jutsu’s hold and allowing him to "move on". Strategic Victories