Combat Mastery - A field that can either:
(boring option) Allow you to learn and master martial arts quicker
Or
(Cooler but more involved option) Psychically Download a “database” of all the moves from the major fighting schools (Karate, Kung Fu, Judo, Jujutso, Krav Maga, Boxing, Wrestling etc) so that you intuitively “know” these moves (even perhaps without taking or studying actual classes).
Probably only hand-to-hand combat though, because teaching weapon skills to those without the qualifications might not be a good idea. But disarming weapons should still be included for self-defense.
I’m imagining it like this: