Little is known about the creature cast in stone. On the night of an eclipse, an unknown horror is released into the Everfree forest, seeking out the blood of a particular purple pony.
Armed with a mysterious black book and with the help of her friends, Twilight is forced into a terrifying adventure of uncovering secrets and finding a way out of her nightmare. But the problem is that nopony knows what a Draconequus really is.
(written early 2012, assume context)