Rurouni Kenshin

A Killer Without Mercy: Fight to the Death Against Cho of the Juppongatana (2x13)

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Kenshin finds Sawagejo Cho has kidnapped the child of Shakku's son in order to obtain Shakku's final work for himself. Kenshin is forced to choose between keeping his vow not to kill and saving the baby, deciding to save the child and draw the sword he has been given. However, just when it seems he has broken his vow and killed Cho, it is revealed that the sword he is holding is Shakku's final work, Shinuchi, a sakabato, and Cho is merely stunned. Kenshin then leaves to find his master, Hiko Seijuro, in order to learn the final technique of Hiten Misturugi-Ryu.