My accent is weird, being Irish growing up in the UK because my accent often changes between English and Irish leading to a weird Irish/English hybrid.
They would probably have an advantage due to the quantity of magic they posses but they are sorely lacking when it comes to combat experience which would inevitably put them on the backfoot.
I think her friends and everyone close to her would try to convince her to not go down that path and if unsuccessful they would inevitably fight win or lose.
Realistically I'd probably end up being closer to an anti hero then anything because my view of justice would be wildly different then those in Equestria.
I think I'd manage Applejack all I'd have to do is dodge and counter attack and wait until she gets tired which might be a while but I think I'd win in the long game.
I used to mildly hate on the show and the fandom but I never bullied anyone, I just thought it was kinda weird but when my friend convinced me to watch a couple episodes, I admitted I was wrong for the most part.
I was helping with an event where I helped cook and prepare a variety of dishes for guests later that evening but surprisingly I got drunk while serving wine to the guests.