What does the harmony pack do on howrse?

well i know a way to get a free harmony pack. if you know there is a vegetable garden and if you plant a eggplant seed and if you are lucky, you might get a free harmony pack from it. you have to water it and plant it befor you can get one. when you get to 100% you can harvest it. hope that answer was good enough. also i am a player on horse and this is my username: starlight1234 without a capertal. :) :) :) :) :) :) :) :) :) :) :L