You might enjoy my story, The Apocamist. It has 5 main characters, two of whom are strong female leads. It's a superpower progression sci-fi adventure set in a post-apocalyptic version of San Francisco smothered with killer fog. Light horror themes, but nothing NSFW.
I think the author should always have a firm understanding of how their magic system works, regardless of whether they're going for a hard or soft magic system. The number one thing that will make the magic system believable is consistency in the story. I don't think the author necessarily has...
You might dig my story, The Apocamist. It's not disgusting or disturbing at all, but does have a pervading atmosphere of creepy mystery, along with a constant sense of tragic hopelessness as the protagonists are constantly put up against tougher odds. Check it out and see if it's a good fit...