March with the Devil (2014)

MARCH WITH THE DEVIL is the true story of Dominiquie Vandenberg who became a martial arts champion at a very early age until a tragic accident took everything he loved and drove him into the French Foreign Legion Special Forces. Vandenberg signed on for a five-year stint and saw engagement in Africa and Bosnia. But his inner torment from his Legion days fueled his desire to become an advisor/soldier-for-hire.

Unfortunately the movie March with the Devil is not yet available on HBO Max.