Few things are cooler than two robots fighting each other. But not all robots are created equal, and new models appear every day. Thus, to increase the tension, one of the robots will be more powerful than the other. The weaker one is usually the good guy, and makes it through the fight only through sheer force of will. Who will win? Easy, Underdogs Never Lose.
Note that this doesn't have apply [...] [tvtropes.org]