The mod was designed around the premise that you are Pendor's hero. You can't just unlock a villain mode by changing a few lines of code, it has to be designed and implemented in most of the features of the mod.
To make it clear how much it entails, imagine writing villain versions of all the relevant dialogs and that's just the text. It's not the mod you are looking for.
To make it clear how much it entails, imagine writing villain versions of all the relevant dialogs and that's just the text. It's not the mod you are looking for.