A big thanks to mcgormanp who has let me use Screameater and other parts of his story My Little Pony: The Lost Elements. Screameater and what the book say's belongs to him I've just reworded it a little and changed a few of the images. The nameless Princess belongs to me though.

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Twilight hummed contently to her self horn glowing as she sorted and re-shelved book's that had recently been taken out and returned making sure that every book was in it's exactly right place. As she pulled out a tome about legends to help make room for some of the other mythology books she was startled by a old and rather ratty looking book falling out from behind the shelf. It was a slim book the name on the spine long since worn away and the only identifying mark on it the shimmering image of a blood red moon. Puzzled Twilight set down the other books opening it and deciding to read the book if only to find out it's name and what section it should go to.

Far across the Great Cerulean sea that borders Equestria their lies a small island eternally hidden by mist this island is known as Phobos. Legends say that the nightmares and fears of everypony who ever have been, that there are and ever will be haunt this land. At the very heart lies the Volcano of Hysteria where is it is say to lie a force only known as the Primal Fear that takes the form of the deepest darkest fear of who ever is unfortunate enough to gaze upon it. Alas with terror comes temptation. According to legend the greatest of treasures also exists on the island vast treasure troves of jewels, magnificent workshops of artefacts and the greatest archive of magical knowledge to exist is all said to lie hidden on this foul island.

The image on the page was a sketch of what a artist though the island would look like along with some of the horrors and treasure that exists upon it. Twilight winced a little the image of a griffin's bones animated and prowling the shore of Phobos sending a minute shiver of fear down her spine though she told her self it was just a drawing and a legend after all, horn glowing she turned the page to read on surprised to see the image of three Ailcorns two being Luna and Celestia the third unknown to her and another image of the third Ailcorn nuzzling a dark purple unicorn that appeared to be heavily pregnant and a little Ailcorn foal resting on her apparent fathers back. He was rather handsome being a dark and rich blue like his sister Luna and a black mane and tail with small silver dot's that Twilight was sure she could see constellations in. The foal had a purple coat like it's mother and a silver mane that must have came from her father.

It is said that the middle brother of our beloved princesses Celestia and Luna is for evermore imprisoned upon Phobos for crimes against Equestria it's self. Prince Cosmus as he was known long ago was a member of the happy Ailcorn trio and while Luna and Celestia maintained day and night he recorded and catalogued all magical knowledge in Equestria. Having less pressing duties than his two sisters allowed the Prince to find love and marry before them the couple having two foals -and Prince Blueblood.

Twilight frowned the part of the text telling the name of the prince's first born Ailcorn child having been erased from the page she filed it away to ask Princess Celestia when she could. She read on wondering what had happen to the Prince.

As the only married member of the Trio and having heirs Prince Cosmus came to believe that rightfully he should be the only ruler of Equestria and be its king. He asked his younger and older sisters if that would let him the two bluntly refusing saying that the three of them should rule together as equals. Angered by this answer Cosmus spent less and less time out side his vast archive claiming he was working on a very important section, the only visitor he allowed was his daughter -

At this Twilight stamped her hoof more than a little annoyed at being deigned the knowledge of Prince Cosmus's child. Though she had found out it was a girl it did little to soothe the at the moment irate unicorn.

But in reality he was studying the Dark Unicorn Magical art's learning to tap into a powerful and dangerous power, that of Fear. Using this dark and terrible power Prince Cosmus transformed his self from beloved royal to a terrifying being known as Screameater.

Twilight turned the page before gasping her magic losing it's hold on the book letting it drop to the ground in front of her there where no words for this page just the image of a horrific tail and mane less inky black stallion. His pupil less eye's glowing red and dark bat like wings looking like they could swallow you whole in there shadow folds. The stallion's 'cutie' mark was that of a blood red crescent moon, but that wasn't what sent a shiver of fear down her spine. It was the midnight tendrils that rose from his back engulfing all ponies around even snagging pegasi from the sky above him. After her heart had returned to it's normal rhythm her horn glowed once more picking the book up again and read on.

If not for our two Princesses than Screameater would have brought eternal nightmares upong all pony kind, but working together and using the Elements of Harmony Celestia and Luna where able to bind almost all of Screameaters power and banish him from Equestria but at a cost. Four of the Elements where lost during the battle, some think they where destroyed, other's lost some even thing that Screameater his self stole them so that when he returned they could never be used against him again. I fear we may never truely know the fate of Screameater or the Elements for no one has dared journey anywhere near Phobos for many years out of fear of the banished Prince.

Twilight closed the book with care the tome already damaged enough, making a mental note to see about having it restored she called for Spike.

"Spike, I think it's time for our letter to Princess Celestia, and I have a question or two for her."