The Elements of Darkness are the most powerful and corrupted version of the Elements of Harmony. According to legend, these corrupt elements can destroy harmony. It brings madness, destruction, chaos, and the most dark powered energy to return and free it from it's prison.
A thousand years ago, a solar eclipse drew near Equestria, Canterlot, and Ponyville. With a mysterious, dark source in the perpetual darkness, the elements grew dark. As the negetive energy turned them into silver black metal necklaces and one crown (which resembles King Sombra's crown), they searched for ponies as hosts whom each represent:
The Elements of Darkness became too far within these hosts, causing chaos and destruction to fall into Ponyville and Canterlot. Celestia uses the Elements of Harmony to vanished the evil of the dark elements from their hosts. The royal guards buried them, never to be used again.
As many years past, one of the ponies who previously represented one of the Elements of Harmony fell to the dark side, causing the false chosen one to be stained by darkness, his skin became black, and fear flowed in his vains. The five surviving Elements of Hamony managed to escape the corrupted loyal hero, and flee from the dark world of the corrupt elements. Consumed by his hatred of the royal family, the fallen hero sold his soul to the darkness for power to destroy them. Then he raised his darkness army to overthrow his royal family, to seek his revenge on Canterlot. Finally another solar eclipse which means the Elements of Darkness have returned and still powered by the dark. This meant that they survived the power of the elements.
Due to the carnage of the false choosen one, he abandoned his loyalty of the element. Secretly, he is enraged and driven mad by the lost of his battle and planned to destroy the Element of Loyalty with deception. The next loyal element pony took on against the dark hero puppet will. It was a ferocious battle, until sun light weakens the dark and twisted elements including the false guardian. He was imprisoned in the darkness dimension, the royal family was safe from their fallen son along with the Element of Deception. The statue tooked in the centre of Canterlot and Ponyville of the original elements of harmony as honor of the slay fallen choosen one.
Propercy of The DarknessEdit
"The darkest day flies across above Equestria. Let all harmony fall into the Dark Lord's hands, the return of The Elements of Darkness rise again on the Darkest Day on Equestria. The assassination of the sun princess's stabbed into the heart, will be fufilled the fallen harmony ponies. The moon princess will be turned back to darkness, as the the dark elements combined with disharmony, all of Ponyville, Canterlot, and all upon this world shall fall into chaos and destruction." - Night Master Blade.