The now evil Twilight goes after her friends (squeal to Dark Fire)

In Equestria's most desperate hour, a mysterious hooded pony offers Twilight the most powerful, but most dangerous and mind-corrupting type of magic; Dark Magic.

In the magical land of Equestria, the night has lasted for a thousand years...

Twilight starts to investigate dark magic. Which leads her to the path of becoming a master of it. Or, if you prefer, it being the master of her

everyone is born with hearts when born there hearts are pure expect for one filly who has a dark heart

This is the story of Umbra, a unicorn whos past is unknown to her. She lives in Canterlot, and has a best friend named Princess Skyla. This is her story.

After Twilight's use Dark Magic, it begins to infect her. Causing damage to her mentality and is ruining her friendship. She seeks help and tries to stop the darkness from consuming her.

Nearly five hundred years of ruling Equestria, King Sombra regains his spark after taking an interest on a mare who made an attempt to assassinate him.

Twilight sparkle got corrupted with dark magic

Join Princess Chrysalis in her race against time before Queen Celestia can accomplish her goals.

After a terrible accident, Twilight's life hangs in the balance, but for Celestia, this is the perfect opportunity to carry out her plans to vanquish a growing evil . . .

10 years ago Nightmare Moon won, Twilight is going to fix that.

Upon her first use of darkness its taste lingered within her mind, creating an ever growing thirst and revealing her true desires. With her recent elevation to an alicorn and princess she begins to find her desire for power insatiable.

This is the story Silvertail daughter of Sombar, with no meomory of her past only to find her self in a cave after the death of her father

Midnight Star was found on the doorstep of the Canterlot Happy Foals Orphanage. She's not normal... that she knows. Then she sees a stallion who looks like her... the tyrant of the Crystal Empire. When he escapes, she vows to find out the truth.