Following the Changeling Invasion of Canterlot, Twilight's friends, Princess Celestia and Shining Armor lament over how they failed to protect Canterlot from the Changelings as well for their behavior towards Twilight at the Wedding Rehearsal.
Twilight Sparkle is summoned to Canterlot by Princess Celestia to receive new items to help maintain balance in the world with and learns about their origins in the process.
The war between the draconaqui and the alicorns has been raging for centuries, harmony and chaos clashing once more. However it is drawing to a close, as a young draconaquus flees his burning city he meets one of the enemies a blue alicorn filly