//------------------------------//
// The effect [microchapter] 
// Story: The stupid reason 
// by Mefista 
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Next day.Princess Luna burped spider back, but accidentally blew him out of window while apologising. He sirvived the fall somehow, but I bet he won't  even walk near the castle anytime soon.

Twilight Sparkle woke up from the sound of someone furiously kicking her door. She ran to open it as fast as it was ponily possible, knocking over a large pile of books on her way...only to freeze in her tracks when someone opened the door with magic. Magical glow was gray, and no unicorn Twilight knew had a grey glow - not to mention that grey and black glows were insanely rare thing.

Two cloacked figures stepped in. They looked rather ominous...at least until figure on the left squeaked and whispered:
- Ummm...sorry, Twilight, but we need your help.
- Yeah, - added figure on right, and both cloacks fell on the floor, revealing...

Well,they both still were ponies - ponies, but no longer pegasi.

Rainbow Dash became dusty gray unicorn, her mane was four-coloured, in dull shades of red, yellow, green and indigo, and eyes were bright, clear aquamarine. Cutie mark, though unchanged (only a bit darker), was visually bigger and faced backwards. 

Fluttershy, on the other hand, was now a pure white earth pony with sky blue, coral red and vibrant orange hair, butterflies of her cutie matched mane, and her eyes...
They were yellow.And they were diamonds.

-What can you say about it, Twilight?- asked Dash eagerly.
-It feels weird when I blink... - Fluttershy sighed.

Violet unicorn didn't answer, still being shocked. Rainbow stomped on floor impatiently, then, out of sheer boredom, tried to lift something with her new magic powers, effectively starting a book rain which covered all three ponies. When the last book peacefully fell, Twilight hiccuped and said in unusually thin voice:
-Well...I am sure we can try to do something...but I'll better write a letter to Princess. Spike! Come here, please!

-I can't do it, Twilight, - said unusually sad voice from the kitchen. - I mean - writing, not walking.
-Why so?
-I can't do it cause I no longer have front paws.

With that words, a small, yellow wyvern walked in the room. His eyes and backspikes were red and shimmering, and jaws ended with a beak. He looked ashamed, and one of his wings was covered in whipped cream.

- Why in the name of Tartarus all of those things happen to meee ... moaned Twilight, laying flat on the floor and facehoofing infinitely.