Luna dreamed she was being controlled by a dark demon and became Nightmare Moon, but she did not know what the demon looked like, it was a silhouette of a strange creature, but she kept on hearing in her dream that the name of the dark demon was Darkrai. His one blue eye glowed and the shadow came right at Luna, then Luna woke up scared. "I'm in my room, then it was all just a dream, I see now that strange thing I heard about named Darkrai gave me that dream and he was the one the turned me into a evil pony thousands of years ago, I need to talk to Adean about that thing, she knows a lot on mysterious Pokemon" Luna said to hershelf.
That morning when Luna's big sister Celestia brought up her morning sun, Luna flew over to Adean's house to talk to her. "Hello Adean are you home?" Said Luna. Adean opened the door looking real tired yawning and holding on to the pillow she was sleeping with. "Yes?" Adean yawned covering her mouth with one hoof. "I want to talk to you about mysterious legendary Pokemon" said Luna. "Ok come in and we'll talk" said Adean. When Luna got into Adean's house she gave Luna a cup of hot chocolate a piece of chocolate.
"What do you want to know about Pokemon?" Adean asked. "Don't you remember that evil alicorn that appeared at the Ponyville town hall that night when you all where ready to see my sister raise the sun?" Luna asked. "Yes wasn't she once you?" Adean explained. "Yes but I think I was being controlled by a silhouette of a strange Pokemon in my dream which the voice in my dream kept on saying Darkrai" said Luna. "Hmm Darkrai I heard of that name somewhere before, they say that is a Pokemon that gives you nightmares" said Adean. "But what dose it really look like?" Luna asked. "No pony knows what it really looks like, but I have a book here that tells where Darkrai is most likely to appear" said Adean. "And where's that?" Luna asked. "The book says Darkrai is in the ruins in the Everfree Forest, why do you want to know where Darkrai is?" Said Adean. "Because I need to talk to him" said Luna. Adean nodded. "I'll get my things and we will go into that forest and find Darkrai and talk to him and see if he is the real deal."
It was nightfall when Luna and Adean entered the Everfree forest. "The fog is coming in, let's stay close so we don't both get lost" said Adean. "Good idea" said Luna.
A mysterious shadow was following the two ponies while in the thick fog. The shadow appeared out in front of Luna, she stood still too scared to move. "What's the matter Princess? Afraid of your own shadow?" The mysterious shadow said. "No I'm not, your a being of darkness and I'm the Princess of the night and I know who you are!" Luna shouted. "Oh how quint a fan, and you know what I might do?" Said the shadow. "Yes turn me back into Nightmare Moon, and you give ponies nightmares your Darkrai!" Said Luna. "Yes that's what I wanted to get into your head and make you fulfill your dream to let your subjects adore you and your moon" said Darkrai. "And you wanted to rule Equstria by making me bring enternal night" said Luna. "Yes and I needed a Queen to rule with me and make darkness rule!" Said Darkrai. "Well I'm not going to help you" said Luna. "Well then I'll just have to put you to sleep!, DARK VOID!" Darkrai shouted. "Luna look out!" Shouted Adean pushing Luna out of the way. Darkrai's attack missed Luna and hit Adean. She fell down to the ground fast asleep. "Adean!" Luna cried. "Crazy Pegasus, she should learn to mind her own business" growled Darkrai. "What did you just do to her?!" Luna barked. Darkrai sneered. "Put her into a nightmarish slumber, so now she's my queen instead of you!". "Say what?!" Luna shouted. Adean was tossing in turning in her sleep till her entire body turned black, her teeth grew sharp, wings grew large and wicked and grew as tall as Princess Celestia. She woke up and opened her eyes that now looked totally evil. She started cackling out loud. "Meet my new queen Princess Luna, Nightmare Adean!" Darkrai produced. "Since you refused to except Darkrai's request, I'll be the new ruler of the night and you'll just be known as a unloved pony by all your subjects and your sister" said Nightmare Adean.
Luna froze in horror. "It was Darkrai that took control of me, and now he's got Adean" Luna thought scared. She was now starting to get it she was not only scared of Darkrai but of the evil reflection of hershelf.
Luna knew that wasn't really Adean it was the thing that controlled her. Luna was not going to back off from her shadowy reflection that took control of Adean, she had to fight, but not Adean she had to stop Darkrai. "I have to stop him he was doing this all along, and I will not back down!" Luna thought in a rage shooting a powerful attack at Darkrai but missed as Darkrai shank into his shadow form and moved to another place. "Your anger makes you powerful Princess Luna just like it did when you defeated your sister" said Darkrai. "Leave my sister out of this!" Luna scolded. "I my loyal subject is right your anger will make you rule, but it's not enough to stop me now I'm the Princess of the night" Nightmare Adean laughed. Luna shank to her hooves and cried softly and looked up at Nightmare Adean. "Adean don't listion to him he's only using you to get what he wants" Luna sobbed. "He's my master and my subject I must obey and now I must despose you!" Nightmare Adean shouted. She started summoning black storm clouds from over Luna's head and sent powerful lightning right down at Luna. As the lightning came streaming down, Luna started fighting it back with her powerful alicorn magic but it wasn't enough to stop all the lightning from attacking her. Luna did not have much magic left to stop the lightning or Darkrai. The lightning kept on coming as it chased Luna all the way out of the Everfree Forest.
Meanwhile at the Rainbow Kingdom Princess Twilight Sparkle was reading her books till Luna flew up to her window with a book in her mouth. "Well hello Luna, how had it been in Canterlot?" Twilight asked. Luna dropped the book that was in her mouth. "Not now one of your friends is in trouble" said Luna. "Trouble with who?" Twilight asked. "A dark Pokemon named Darkrai turned her into his queen to serve him and keep an eternal night" said Luna. "Darkrai?" Twilight questioned. "Yes just look at this book I found in Adean's library" said Luna. Twilght retrieved the book from Luna and used the magic to flip the pages. "Darkrai, Darkrai, ahh Darkrai, it says that Darkrai only comes out at night and if a pony crosses its path it will put you to sleep and give you nightmares, hmm seems kinda familer" said Twilght Sparkle. "Yes I talked to Darkrai and he mentioned that he was the one that transformed me into Nightmare Moon" said Luna. "And Adean became under Darkrai's control didn't she?" Said Twilight Sparkle. "Then I might have to get my crown and the Element of Harmidy out and defeat that demon to turn Adean back to normal" said Twilight as she lit up her horn and took her old element of magic crown out of her box of elements which also had the element of Loylty, kindness, honesty, generosity, and laughter. "Are your five friends coming with us to stop Darkrai?" Luna asked. "No their off doing other important things so I think this is my chance for the two of us to face Darkrai on our own. Said Twilght Sparkle.
Back at the old ruins of the royal pony sisters on top of the balcony of the ruins Nightmare Adean was waiting for nightfall to make an eternal night for her subject Darkrai.