User blog comment:The Milkman/The Writing of the Ending/@comment-24174486-20120726200543/@comment-4950455-20120823073624

Actually, I think it's possible that the Mass Effect series very much does have a deus ex machina: the Crucible. But it's not one within the context of ME3 itself, since it's introduced right at the beginning and the entire plot is about building it.