Originally Posted by Ehhhh123
Yeah that's still a bummer now that I thought about it more. However, you can still get a happily ever after together if Dark Justiciar Shadowheart saves her parents, it seems. Just won't be as happy as it could have been. Here's the youtube video:

Yup, it's a very slightly tweaked version of the same dialogue as you get with the Selune path. It really seems to have been written for the Dark Justiciar version, which is why it makes little sense for her Selune path, because there you've already confirmed twice before that you'll join her.