When I was leaving I framed my interactions with my parents in the context that they are manipulators, and deal with them accordingly. It helped me to remove some of the emotion because I could see it for what it was - emotional blackmail. I wouldn’t accept it from anyone else in my life so why would I accept it from them.
We didn’t speak for many years. I graduated college, got married, started a career all with no contact. After I had been married for nearly 15 years they decided to contact me. I laid down the ground rules -I wanted a relationship with them but I wouldn’t be manipulated or guilted. I didn’t want to hear anything about religion. And it’s been working, mostly for a number of years: