Vladimir also known as Curse mark was once Princess Celestias student after Twilight became a princess. he was a increadbly fast learner and over the years read all the books even in the forbidden section. he had stumbles upon a dark magic book filled to the cover with magic spells. upon reading this he read a spell and casted it takeing all the darkness in the land in putting it into a glass orb which he carried around [4:08:51 PM] Shadow Sketch: someone the evnyied him came to him and took the orb as they fought and threw it at him smashing the orb and the darkness whent idrectly into him changing his body. by morning he was back to normal but as days pasted the darkness within took over and his unicorn horn split and formed dragons horns that can cast magic while also gaining wings, fangs, his mane and tail to flame and his body darkened. corrupted he made his own kingdom on the far reaches of equestrian. may deemed worthy of fighting him never return.

he may be placed in a comic idk.