Long would go on to earn a black belt in Chinese Kung Fu San Soo, eventually reaching the level of master in the style.

She would train in Brazilian Jiu-Jitsu with the Machado family, as well as in Jeet Kune Do, Tae Kwon Do, Kali, and Wing Chun Kung Fu.

She compiled an 18–1 record, winning five world titles in the process, and earning several nicknames including the "Queen of Mean", "Princess of Pain", and "The Punisher".

In preparation for her debut Long trained with Betiss Mansouri and Romie Aram at Millennia MMA, Gokor Chivichyan and Gene LeBell at the Hayastan Academy, Ahmad Reese and Lisa Twight of Gym Jones, Javier Vazquez at Universal Martial Arts Center, and with Muay Thai and strength conditioning coach Maria Morales.

She fought under the Ascension Muay Thai and Kickboxing promotion in Tijuana, Mexico against Mexican fighter Mixia Medina and won the fight by decision.