Am I the only one who doesn't think Terra is such a bad character?

No you're not the only one. I never thought Terra was that bad of a character. I thought she was misguided but at least she helped her Những người bạn in the end.

Also she didn't stay dead. She came back in the last episode of Teen Titans.

I dont either. She was a hero.

I have mixed feelings about her character. I liked her personality and I like how the creators turned her into just a misguided teenager instead of a b**** like her comic book counterpart. But, I hate how she turned on her Những người bạn so easily and she just as easily could've told them about Slade when she found out that Beast Boy wasn't the one who told her sectret. That was the reason she ran to Slade in the first place (other than the control thing). That issue could've been resolved quickly once she was with the team again. Plus, at the end when she finally turned against Slade, to me it seemed like she wasn't doing it for her friends, she was doing because she got tired of Slade knocking her around. It wasn't until he hit her that she decided that she had enough and that seemed kinda selfish to me, but she did sacrafice herself so that made up for it I guess. Anyway that's just my opinion.

All in all, I kinda liked her character.