Ep. 36: I Have No Past to Look Back On! - Just My Hatred for Evil That Will Destroy Toki!

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Kenshiro attacks Toki, who is surprised by his speed and power, but still manages to immobilize Ken. Fortunately, Rei and Mamiya arrive to help Ken, revealing that the man Ken is fighting is not the real Toki, but an impostor named Amiba, a jealous rival who sought to destroy Toki's reputation. Amiba gloats that he is a genius and has imprisoned Toki, but Ken defeats him with a Hokuto Shinken technique that forces him to walk off the roof of his fortress. Before he dies, Amiba reveals that he was following orders from a man known as "Ken-Oh". (Source: Wikipedia)