Scott is a highly capable fighter, using various moves and techniques derived from various games, most noticeably from the Street Fighter series. Scott's fighting prowess is said to be incredible; according to Kim Pine, it's earned him the title "the best fighter in the Province". He can employ incredible moves such as The Air Juggle. Scott has also shown the ability to level up, doing so increases his stats, and grants him a sword to use in combat, Scott is as skilful with swords as he is at hand-to-hand combat, due to him taking a longsword proficiency in grade 5.
Scott initially sees himself as flawless and perfect when it comes to relationships, blaming any problems in said relationships on the other and repressing any flaws he has, completely forgetting his mistakes and all the bad things he's done in a relationship. This unusual attitude means Scott usually gets over breakups very quickly, but unfortunately, his continued rejection of his flaws caused them to manifest themselves in the form of NegaScott
Scott undergoes major changes when he confronts himself via NegaScott. He realizes that throughout his life he hasn't been a "paragon of virtue" as Envy puts it, and that he too is flawed, and has his own issues which he inevitably must confront.