Especially when compared to other notable Marvel heroes, the X-Men typically have a rough go of it. Faced with a world that often hates and fears them, their heroic responses to dark tactics are what elevate them further than almost any other group. But in events like Fall of X, even their most noble characters can take on darker attributes.
Source:https://www.cbr.com/xmen-mutant-massacre-kate-pryde-innocence-marvel-comics/