Bio sister harassing me

I am adopted and recently did 23andMe. I found out that I have a half bio sister. She messaged me through 23andme asking for my number and if we could talk. Big mistake. I wanted to connect with her because I have always wanted to know where I came from. We were texting for a couple of weeks and she got way to clingy and we got into an argument about me not texting her back fast enough or not long enough texts and it just became draining. I came to a point where I am okay with not continuing a relationship with her or any of my bio family. She sent nasty text messages to me from various different numbers telling me no wonder I was put up for adoption that no one wanted me (she has mental issues) and told me to go slit my wrists, threatening to contact my adoptive parents and my husband and I never responded. Months later she tried to reach out again asking if “we could talk”

I feel like she has been harassing me from different numbers (different numbers calling and private #’s) and I’m scared she’s gonna reach out to my parents who really don’t want anything to do with knowing about my bio family. She lives in a different state than me. Has anyone been through a bad reunion with bio family? Is there any legal action I can do?