A show of magical fireworks erupts over the vat of taint, the lights slowly resolving into the features of a blue mare's face. She looks at you with contempt, as her voice booms inside your head:

Behold, puny pony. You stand before the GREAT AND POWERFUL GODDESS! Now that you're here, only one question remains. Will you join the Unity, or will you die? Join? Die? Join? Die?