Beating Doopliss before Vivian Joins the Battle (Paper Mario Thousand Year Door)

As a kid, I always wondered for the longest time if you could beat Doopliss before Vivian showed up in the fight, well I finally was able to answer this burning question during my latest play-through of TTYD I was finally able to get my answer to this question for years. For the sake of documentation, I recorded it and am posting it here for others who were curious about the same thing