Eternal Warrior Brazilian Jiu-Jitsu is a martial arts school in Bentonville, Arkansas offering Brazilian Jiu-Jitsu classes for kids and adults. The school emphasizes safe training, long-term practice, and instruction tailored to students working toward goals ranging from personal development to black belt progression. Its instructors include Professor Tony Mathers, who began training Brazilian Jiu-Jitsu 17 years ago after serving in the Navy, and Professor Gunnar, who helped establish the academy in Northwest Arkansas in 2015.