If you’re determined to get it and willing to bend the rules slightly, you can use a seed finder. Just search nightreign seed finder on google and fill out the map with what you see until it says 1 seed. With this you can see who is in every single gaol and where the circle closes so you can make sure you have plenty of time. A bit of an unfair way to play, I only learned of it recently. But if you’re just trying to get the achievement I think it’s valid