"I don't need friendship, it never served me well before and really it wont now"
what if a pony who did something extraordinary and became a princess suddenly had the rush of power and just used it for evil. Imagine never having any power then suddenly having so much wouldnt you do some bad shit? People want to think they'll use power wisely when they get it but a lot of the time they get overwhelemed with how much they can actually do and abuse it
This is Daymare Shriek even if the mane six "reform" her with friendship she's just gonna go back. All the bitterness she has and the fact, she doesnt want to change anyway. I mean not like they can take back her alicornhood anyway, Shes like serial killers that pretend to be reformed and as soon as they get out they just go back to what they did before, just more sneaky