So, you're an Incubator with very little to do, and you run across a planet with great magical potential. Clearly your objective is obvious. However, Kyubey didn't take into account one thing. It's a small matter really. One named Discord.
Long ago, the Father of all Monsters gave birth to many creatures. Some monstrous, others wonderous. And now one has been located. Long live the Queen.
Thorax has defected to the land of Equestria, taking thousands of changelings with him. When Chrysalis launches a retaliation against Equestria, Twilight and her friends must repel her invasion with one thousand changeling volunteers.
Far from Equestria lies a world so foreign that magic and life bewilder the wildest imaginations. There the earth breathes, the water talks, and the trees sing. There, they sip the kith sap. There they call it black water.
On the eve of the Equestria Friendship Festival, Moonwhisper and Shining Armor are called by the Cutie Map to a remote corner of Equestria for a friendship mission.