There legit was no build up to removing her curse. It was basically Yeah your curse is gone lol. I get author wanted it short and sweet but could of made it more interesting
You literally just got the black knight and you haven’t even used him yet. Then you decided to buy a slave to help you, and instead of getting someone useful you get a worthless girl that is cursed. Which then you proceed to waste all of your precious skill points to help this girl without knowing what she can do. I’m thoroughly disappointed, yet I will continue to read bc I’m bored