Knowing Thorax had struggled to convince some of his follow changelings to change, Princess Twilight Sparkle decided to visit the changeling hive and check up on him.

It turned out, with the exception of one changeling, Pharynx, all of the changelings had finally accepted the new way and had transformed as a result. Even so, as the Princess of Friendship, Twilight took it upon herself to get Pharynx to change his ways and learn friendship.

No matter how many times Pharynx says "no".