My girlfriend's parents discovered our relationship, and I'm feeling uncertain about what to do next. Should I stick around or walk away?

Here's some background on my situation: My girlfriend and I had been together for nearly a year before her parents discovered our relationship, and it escalated into a violent situation for her. They treated her terribly, and I can’t help but blame myself since she stayed in the relationship longer than she should have, hoping I would become a better boyfriend. We had our share of disagreements before this, and while I wasn’t always fair to her, she approached it with maturity and wanted to find solutions. I didn’t pull my weight and thought we had time to improve things, but everything changed when her parents found out, leading to a significant rift since they strongly disapprove of her dating. Despite everything, she still believes in me and wants to make this work. She has endured so much pain and abuse from her parents yet remains committed to us. This weighs heavily on me because I felt paralyzed by their threats to take legal action against us. However, she reassured me that those threats were meant to intimidate, and thankfully, nothing has come of it so far. She’s made immense sacrifices for our relationship and for the sake of my family, concerned about the potential consequences of a legal case. Now I’m at a crossroads, struggling to decide whether to support her and fight for our relationship or to walk away because her parents disapprove. It’s particularly tough because my own parents are unaware I’m still talking to her, having been supportive of our relationship before this turmoil. The pressure is immense. She has done so much for us, and in a situation like this, she should have been the one feeling scared and wanting to leave, but she chose to stay, which speaks volumes about her commitment. Just before her parents found out, we talked about improving our relationship, and she expressed feeling safe with me, while I affirmed that I was serious about us. I’m seeking realistic advice on how to move forward from here. **TL;DR:** My girlfriend and I have been dating for nearly a year, but her parents reacted violently when they found out, creating significant tension. Despite the abuse and threats, she remains committed and believes in our relationship. I've made mistakes, and my own parents don’t know I’m still in touch with her. I'm torn between staying to support her or ending things due to the pressure from our families. I need advice on what to do next.