Party in Spacetime Part 1

"So you're saying I can see every moment in my and my friends lives?" Asked pinkie.
"Yes, but be careful not to tamper with them because if you do you may sese to exist..." said the the look alike with a dark sinister voice that pinkie was quite shocked to hear from herself.
"Ok, but is there anything fun to do here because you seem sad and if your me, you must hate being sad because you have a frown and as everypony knows the only good frown is one that is upside down!" She exclaimed panting from which the speed she had said this at.

" there is, because you can relive any part of your life fun or sad" said the look alike.
"Sad? Why would I like to relive something sad only the most happy moments are worth having again" she said with some confusion because of the look alikes previous comment.
"Oh im sorry that I was saying that for an example, well any way have fun"she said slowly turning around "wait!" Screamed pinkie "how do I get to the fun moments?" She asked rather anxiously and curiously.
"Oh, right almost forgot" she replied as her pink hoof went up as she seemed to remember something .
suddenly a great whit sparkly rip appeared before the ponies.
"Here take a look!" Said the look alike.

But as her head went through the rip she felt a slight push on her flank and then she fell...
She landed on pile of branches and what she saw before her was terrifying...
All she heard was a dark and evil equestrian voice say" I believe night will suite you better" "princess luna?" Asked pinkie starring at the blue floating mane.
"I no longer go be that name youngling" said the voice "then who?" Asked pinkie .
"Nightmare moon" was all she heard before pincess celestia came down and the two alicorns began a duel of magic...