Assault Training: During her stay at Manchester's Butei High, Watson completed her training in Assault making her Watson very proficient in the art of warfare,whether it be Aru=Kata or in close quarters combat. For her size, she's able to out maneuver and outfight Kinji even when he's under the influence of Hysteria Berserk.
Inquesta Training: Also during her time back home, she fully completed her course in Inquesta making her one of the story's most brilliant characters. She excels at tactical thinking and planning, much like her ancestor. This makes her an extremely intelligent and resourceful person, which includes exploiting the weaknesses of her opponents and using it to a devastating effect like she did against Kinji and Hilda.
Medical Knowledge: Now enrolled in Tokyo Butei High, Watson decided to take up a third course in the medical field while still training to earn her medical license. She has proven herself as a very skilled doctor and surgeon as she regularly works in the Butei hospital and is a very skillful medic in the battlefield much like the first Watson.
Professional Boxing Skills: Kinji noted during one of Watson shock therapy session that he was able to read that she has boxing skill equivalent to that a professionl