A long time ago there were two brothers. They guarded the Tree of Feelings, One of the brothers guarded the positive side of the tree his name was Dream. The other brother that guarded the negative side of the tree is Nightmare. Dream and Nightmare work together to keep the Tree of Feelings in stable position, that is until people started to think bad about Nightmare. Some were scared of him and some hated him. People thought he shouldn't live, that they should only have positive feelings not negative feelings. So while Dream was away people picked on Nightmare, they threw rocks at him and told him negative things. Dream would never notice all the scrapes and cuts because he was always so positive that he couldn't feel Nightmares pain. Nightmare didn't want to bother his brother with all the negative feelings he had, he didn't want to bring his little twin brother into despair. That was until one day, the people got to Nightmare and he started to feel bad, that was also the day Nightmare stopped hanging out with Dream and stayed by the tree's side. One day, after the townsfolk stopped teasing Nightmare he wanted the try something, Nightmare touched one of Dreams apples and brought it down to him but little did he know he poisoned the whole tree. The positive apples are not supposed to be touched by a negative guardian, so they react by turning into negative apples. Once all the positive apples turn negative Dream sensed something was wrong, so he ran to the Tree of Feelings to what looked to be just a dead tree with negative apples surrounding it.
"Brother what happened!?" Dream tried to talk to his brother and try to understand what happen to the tree or dead tree now.
"I don't kno-" Nightmare tried to explain what was wrong to his brother, but something happen to him. After touching his brothers apples and turning them all to his own it turns out that it was too much negative power for him.
Nightmare started to cough up what seemed to be black ink???? His eye(sockets) and mouth(teeth) were doing the same thing until his whole body was covered in black ink.Nightmare started to take form or people would call it corruption and his back... thin- er tentacles came out and caused Nightmare to scream in pain. Dream ran over to and tried to calm him down and stop the things from coming out his back. Nightmare didn't see Dream come running to him try to help him. All Nightmare could see was bad memories of people hitting him all those years. Nightmare was screaming and calling for help...
But Nobody Came
~Years Later~
"Dream! Nightmares heading to the Underswap AU come on!" Now dream and his friends Ink and Blueberry teamed up and are now fighting the bad guys.
~Author's Note~
Hello
As you can see I have made a new story WOHO
If you still don't understand what happened let me explain: Once Nightmare got corrupted he turned into a bad guy and gave everyone nightmares and Dream couldn't let him do that so he teamed up with some other people and their group name "The Star Sanses" fight off the bad guys which would be "Nightmare, Error, Killer, Horror, Dust and many more."
If you still don't understand then go on youtube because *everythings on youtube!*