Vengeance is not an easy thing to do

Chrysalis swore revenge against Starlight Glimmer. But how will she do it?

"There is no revenge you could ever conceive of that will come close to what I will exact upon you one day, Starlight Glimmer!"

It was with these words that former changeling queen Chrysalis was seen last. But can she come up with a plan to do what she promised?