Attempting to spread Jiu-Jitsu culture, he laid some mats in his garage in Hermosa Beach and invited people he met to try the sport.

[7] Rorion was a technical adviser for the 1987 movie Lethal Weapon providing training to actors Mel Gibson and Gary Busey.

[11] Rorion was also a technical advisor, a fight scene choreographer for Lethal Weapon 3 in 1992, providing training to Rene Russo together with martial artist Cheryl Wheeler-Dixon and a Karate instructor.

The Karate instructor immediately went on to rehearse spectacular ura-mawashi high kicks, which resulted in Russo pulled groin muscles the very first day, and was so frustrated with learning the technique, that Richard Donner asked Gracie not only to teach her, but also to attend the film set for filming sequence as a technical advisor.

[13] Through this pay-per-view spectacle, he hoped to show that, in a "no time limit - no rules" setting, Gracie jiu-jitsu was the only system of self-defense that would give someone a realistic chance of defeating a larger, more athletic adversary.

Due to his smaller frame and relatively low body weight, Royce was the smallest competitor, making an excellent example of the powers of Gracie Jiu-Jitsu.

[14] In 1994, following UFC, a small group of high-ranking military personnel, from the most elite unit in the US Army Special Operations Forces, contacted Rorion and asked him to develop an objective hand-to-hand combat course based on the most effective techniques of Gracie Jiu-Jitsu.