While DC's Knight Terrors has plunged nearly the entire world into a dreadful slumber, it has also revealed some unnerving truths about those very same heroes and villains. While this itself isn't all that surprising, what some of these characters fear most absolutely is, and that's no truer of anyone than it is Poison Ivy. Most shocking of all, it isn't any sort of gory end or grim demise that Ivy is so afraid of. It's the thought of giving up everything she is for the woman she loves.
Source:https://www.cbr.com/knight-terrors-poison-ivy-nightmare-desire/