Replying...
Intro. This story starts with "Scarlet mistrall" A Alicorn with a huge ambition for power she found a creature called "???" Using his husband as a sacrifice, killing him. After, she recieved Enough power to conquer Equestria, Though it caused the infection. Now, Scarlett, known as "The mother of the infection" brought Chaos and death to Equestria, starting with the Princesses, Celestia, as a Last hope ignited the whole castle with her magic, taking her own life in the Process, Luna escaped, taking Celestia's magic and then escaping, not being seen ever since. Applejack was infected, but was cured by discord, thought not fully, she became taller, more slender, with red scars marking the ends and starts of her limbs, she's now cold, but still kind and caring as always, Rarity was hurt in the great Fire, losing part of her Face's skin and fur, Pinkie and Rainbow dash are ok? (But Rainbow dash has not yet forgiven applejack from her actions as a infected) they are together,

My little pony:The graveyard Plague

@Eclipse