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// chapter two getting to know one another. 
// Story: of changelings and magic, a odd combination 
// by Kamen rider yokai 
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The next day set up how twilight and chrysalis was going to spend time together for the next three months as apparently, the magic surge had revealed the breakpoints in the castle walls closest to the incident and the stone needed to be replaced completely and changelings were going over other sections for similar points and as ponies would notice a huge amount of stone being carved out and going missing the changeling had little choice but to use changeling techniques to craft their own bricks to replace the stone. 

What surprised twilight and chrysalis were that they could experience their memories and on chrysalis' part transfer relevant memories to her hive. Specifically, twilight's memories from the potion discord had zecora brew to get to fix the plunder vine incident of the castle at the time luna became nightmare moon. 

So while the changelings worked to restore the castle twilight and chrysalis delved into each other's memories to get to know each other.

"Gah! Love poison! Those three fillies actually managed to actually make that stuff successfully? There was a reason that stuff is banned! What historians have forgotten was that one of those ponies from that hearts and hooves story was that the mare was a changeling. Her death caused a war between Equestria and the changelings and it was only ended if the love poison was outlawed. This was three centuries before Celestia and Luna defeated discord as he at the time only took over a century after that event. That story was past down from changeling queen to changeling queen with a stern warning never to brew the stuff. And from your memories, I'm glad you disciplined them but now who was the fool who thought actually leaving the recipe in that book was a good idea. Part of the conditions was that nothing should have remained as that potion was to never be allowed to exist!" chrysalis ranted in shock their shared body shuddering.

"I'll bring it up to Celestia and see about fixing that after seeing that memory I'm agreeing that it shouldn't exist to cause a repeat of the past. Luckily we caught it in time to save them. That poison is too dangerous" Twilight agreed.

That was the first of their willing memory dives since they discovered the ability that first night they ended up in this state. And in the afternoon weaver was helping the two relearn their motor functions so they could no longer be confined to the infirmary. So far they regained control of their wings and tail which was the start of getting their movements synced up so they could function normally.

Once they could move without incident they would head to ponyville for fixing the situation. To make sure twilight's friends won't panic a changeling disguised as a Pegasus messenger was sent to spike with a letter letting them know she was fine and that something had come up that she needed Fluttershy's help with and that once she returned she needed to speak with Celestia. 

It took Fluttershy three days to arrive and be briefed on the situation and twilight's faith was well placed as between weaver's knowledge on changeling anatomy and Fluttershy's own on unusual and pony biology helped to them relearning how to move. With each memory dive, the two gained a deeper respect for each other. Chrysalis had by the end of month one had experienced twilight facing nightmare moon and discord and had recently gone through the lesson zero incident which added on to what happened at the wedding which chrysalis had seen from Twilight's perspective. Twilight in return experienced chrysalis' life from her earliest memory to how she became queen to the struggles of keeping her hive alive. 

Currently, the two were testing how they both controlled their motor functions and as embarrassing as it was to keep falling like a child just learning to walk they were making progress. By the end of the hour, they were able to walk without problems which Fluttershy was glad about. 

The shy pegasus was teaching weaver about a spell that could scan a beings internal structure and project the image onto a flat surface. She had brought a book detailing the spell from a quick visit to nurse red heart to help in this situation. 

The restoration was going a lot more smoothly through the room twilight and chrysalis had fused in had to be rebuilt from scratch as the area was totaled from the event. Bricks made from changelings were stronger then equestrian bricks as they were a lot more magic resistant and with changeling magic could look like regular bricks. They were also inscribed with runes to absorb ambient magic to reinforce the construct further. The result was a lot more durable building material that would last a long time.

With how damaged the castle was after a thousand years it had to be rebuilt from the ground up. The restoration efforts twilight and her friends did clear out the rubble which allowed changelings to use one alchemy matrix to convert the existing material into the new one which if done properly would shave time off the restoration process. What was missing was filled in quickly? 

The second month both twilight and chrysalis had fully caught up on each other's memories which on chrysalis' part impressed her and when she learned of what happened at our town incensed was an understatement. 

"A spell to remove a cutie mark from a pony. Never thought such a thing would appear again. Twilight your thoughts on the long-term use of that spell was correct that spell was developed to weed out changelings during that war before discord took over. Regular ponies after twenty years under its effects did die from the entropy the spell caused. That spell drives one to be emotionless and depressed to the point they just stop living. My ancestors were sure to destroy any knowledge on that spell as for changelings who feed on love the use of that spell would mean mutual destruction for ponies and changeling alike. To think someone managed to recreate it and use it. Use of that spell was a crime resulting in life in prison with the unicorn's magic bound. It was a agreement between princess platinum and the changelings that remains in effect to this day. I will have some changelings back at my hive track down this starlight glimmer so she can appear in your courts to face justice." said Chrysalis. 

Twilight was used to this by now as what twilight experienced in the past if it catches chrysalis' attention she would give a lesson on forgotten history if what was encountered was dire for changelings and ponies. Twilight had been compiling these lessons into a book she had titled forgotten times and chrysalis had been making a majority of the book as realizing that it was forgotten history on the ponies side decided to rectify it. Which led to the two to realize they had a lot in common outside their royal duties as both enjoyed history and spell research. Month two was also when both relearned how to fly. Chrysalis had seen twilight's flight lessons and had transformed into pegasi before so she helped twilight learn to properly fly but with their new wings they had to learn a new method outside of thermals. Fluttershy really helped out by helping them understand bat wings seeing as part of their wings resembled it. And how bats fly was mostly gliding with few sharp flaps to stay airborne. The feathers behind the membrane was to help catch thermals for the two. For bird feathers were better at finding them then bat wings. 

This helped them learn how to fly and allowed them to inspect the upper floors of the castle and direct changelings to repair them. Twilight's tendency for checklists combined with chrysalis used to directing groups made the effort really effective as twilight outlined what was left to do and chrysalis set up groups to do them.

By month three they were getting used to their magic again. If one was in control the horn was using that specific magic that belonged to them but when they worked together their magic was stronger and easily controlled.

By that point, the castle was finally finished and the group was ready to head to ponyville to finally fix this current situation and try and separate twilight and chrysalis. While Weaver and Fluttershy were the only ones accompanying the fused royal the remaining changelings were off for their hive with instructions to send out a search party to locate starlight glimmer to stand trial.

Weaver had taken on a form of a unicorn with blue fur and a violet mane with her cutie mark is a weave of bandages. Fluttershy helped her develop this form to help her blend in. And like weaver said returning at night was helping to prevent panic. Fluttershy went home promising to bring everyone over to the castle and twilight was holding a scroll for Spike to send in the morning. Setting Weaver in a guest room for the night twilight and chrysalis went to sleep themselves.