I think that maybe both witches gain power through the marriage up to a certain point. She never loved the other girls so she broke it off after she got what she could from the marriage. Might not be as parasitic as it sounds.
It sounds like your life is falling apart and that it's impossible to stop the downward spiral of society, but have you tried dried leaves in boiling water?
Jayna usually let's Angela sabotage herself or schemes to reveals her true colors to others. Choosing an unflattering dress to directly sabotage her isn't characteristic of her and is also unpleasant.
I still remember that the eyepatch guy tortured the MC because he crippled his leg and and preventing him from going to the front lines. But nowadays he's literally the strongest character we've seen in action and is literally ripping apart entire armies by himself.
I guess he should be...
I didn't remember what this series was about so I reread the summary and a couple of pages and I thought, damn, this is boring, I'm gonna drop this.
Then I remembered one that he constantly gives orgasms to girls and his grandfather turned into a loli and and I am again interested.
I'm assuming there are a bunch of competing factions in the royal family who each have their own purifiers and don't allow others to use them. It doesn't make sense that this strong and accomplished prince hasn't ever been purified unless this was the case. Unless purifiers are so rare that the...