Act Twenty – Unending (S01E20)

Rin and Manji pursue Kagehisa, but their mission is interrupted when Shira assaults them, abducting Rin in the process. Determined to save her, Manji confronts both Shinra and Renzou. In a fierce battle, Manji faces off against Shinra, all while trying to reach Rin. To his shock, he discovers that Shira's left arm, previously thought to be severed, is now attacking him.