Chapter-9: Back in Ponyville.
As soon as Twilight got off the train, she saw Spike waiting for her. She said- “Spike! I missed you so much!”
Spike replied to her- “I missed you too, Twilight. Why did you have to go to the Crystal Empire?”
They start walking back to the castle and Twilight tells him- “Cadence needed my help. She told me that there was so much information missing from the records, and so many books and other stuff that Sombra destroyed. So, she wanted to look for some information. She thought Sombra might've recorded some information, and that he might have a secret room in the castle. She needed to use dark magic to open the passage, but she couldn't do it. So, Cadence asked me to help. I opened the passage and we went down the stairs. Sombra, had this secret room. We went in there and found his diary. Cadence read it. It had so much information about his past. After reading it, Cadence said she needed some air and she went. I stayed, to look for more things. Then, I saw a lever on the wall. When I pressed on it the wall moved and showed thousands of crystallized ponies. They were all unicorns and pegasi. I found a book on the bookshelf showing the counter-spell. But it needed two Alicorns to cast the spell. So, I asked Cadence for help. I teleported the both of us to the room and we turned all the ponies back to normal. You know how there are hardly any unicorns or pegasi in the Crystal Empire? Sombra turned them all to crystal, leaving only earth ponies. Cadence and I teleported them all to her throne room, and she told them about what had happened to them, how many years had passed, and that Sombra was gone, and that they were safe.”
Twilight finished talking and Spike said- “That explains a lot. Could you tell me what was in Sombra's diary?”
Twilight replies- “Maybe later, because I'm tired out from having to teleport so many times and also from talking.”
Spike says- “Ok. We're at the castle. You go and have some rest.”
Twilight replies- “Sure.”
They both went inside the castle, and Twilight drank some water. Twilight then went to her bedroom and slept after putting her bag on the table.