Why did the changeling army choose to invade Canterlot during Princess Cadence and Shining Armor’s wedding? The answer can be found in a chance meeting between Queen Chrysalis and Nightmare Moon, back at the Summer Sun Celebration …
Luna is prepared to what no pony has ever done before and weave magic raw with all that burns within her to forge a way to escape the ostracism she has endured. She cares not what she does to remove her shackles in order to save all.
Lunar Limbo is a cold place, made even colder with a being whose only purpose is to augment one’s negative emotions and one’s desires, who insists that Luna was right to try to take over.
So, it appears the rumors are true...DJ Pon-3 and even Rarity have been bitten by bat-ponies...vampire ones! Vampire bat ponies are now common in Equestria, but who would have thought that two heroes would have been affected by them?!