Knight War: Lock the Final Knight at the Beginning

Han Xing travels through the world of knights. However, the Kamen Riders in this world seem to be a little different from what I expected. In Han Xing's vision, shouldn't the Kamen Rider protect the world and fight against monsters? Why is it that there are no weirdos in this world, but instead it is dominated by wars between knights? "Now that it's here, let's make peace with it." "Now that I have awakened to the final knight, let me let you experience what a just group fight is." "I am a man who practices the way of heaven and smuggles everything."