" I guess its up to your to make sure they don't."
Starlight let the scroll go. But as the scroll dropped, as Spike caught it, the rip in it tore all the way. It began to glow, and then it exploded in a flash of white.
When Starlight opened her eyes, she saw the desolate wasteland Twilight had shown her earlier. She looked around, then saw Twilight and Spike, trapped in a giant gem.
Hm, Twilight from one timeline, us in another. She readied her horn. It would be easy enough to break her out.
Nothing.
No magic came out of her horn. The explosion must have messed with my magic. What was she going to do? Without her magic, she would never be able to get Twilight and Spike out of the gem, and she couldn't reverse time, with the scroll frozen Spike's claws.
Starlight sunk down next to the gem. She had caused this. This was her fault. Because of her, she and Twilight and Spike would be stuck in this alternate timeline forever.
She then realized that that was all the time she needed.
Starlight stood up. She didn't have enough magic to undo the gem, after all it had been designed to contain an alicorn. But...
Starlight focused. She channeled all her thoughts into a single idea.
She slammed her horn onto the gem, breaking it.
A magic light engulfed her. She had cast a time spell, one that would prevent her from aging, from dying. She would never be able to use her magic again, but the horn was useless anyway.
She reared her hooves and struck at the gem.
Again and again, she struck. Over and over. She struck until her hooves hurt. Whenever she felt like giving up, she would look at Twilight, and she would start again.
She began to tell a story.
"In a far away place, there's this rock."
Two Days Later
"Its a rather large rock..."
Six Months Later
"It takes an hour to climb over..."
Three Years Later
"And an hour to go around..."
Fifty Years Later
"Every hundred years..."
One Hundred Years Later
"A little bird comes to sharpen its beak."
Two Hundred Years Later
"When the bird has sharpened its beak..."
One Thousand Years Later
"And the mountain is gone..."
One Million Years Later
A crack appeared on the gem.
"A single second in eternity will have past."