Chapter 25 Monster of the Mind (Uncharted Territory)

A.N. – The Scyphozoa makes its debut today! But besides that, nothing much changes for this chapter. Let's begin!


Short Summary – With Xana's newest creation ready, A and Xana use current Aelita's naïve nature to see if this monster is Xana's key to success.


Disclaimer – I do not own Code Lyoko or the story idea. I am just a fan of the show, and the idea was submitted by James Marshall.


A and Xana were in a place in a yet unknown sector. The walls all looked cybernetic, and everything was colored a shade of blue. This place was called Carthage and served as a home for Xana. A knew that her father created this place to house Xana, but now that he was self-aware, he used this as a forward base for the war he waged on Lyoko against the warriors. A was called here by Xana because he was ready to unveil his newest creation.

"Behold, my memory stealing monster!" Xana said as the new monster jumped to life.

"And how does this work?" A asks, curious as to how Xana was able to steal the keys from her originally.

"These tentacles are able to scan a person's mind and drain it. If I can recover Aelita's full memory, I can reassemble the full key that is scattered across her mind."

A now knew why Xana kept on targeting her before he got the keys. She thought with all the times the Scyphozoa caught her, Xana would eventually assemble a full key. But with it being spread in fragments across her mind, it only made sense Xana would need all of it to assemble a full key.

"Now we just need to test it."

"Oh, Aelita will take care of that herself. Her naïve nature makes her a ghost more than a person in the human world. She will come back home and then she will come willingly."


A returned to the courtyard and waited for her current self to crack so Xana could execute his plan. For now, she just had to act casually. "So, how are doing today Aelita?"

"Besides almost scaring her for life, she's fine" Odd says.

"Someone want to fill me in?"

"Sissi tricked Aelita to going to the boys showers and Jim caught her. Most likely Sissi probably told him" Ulrich says.

"Anyway, back to business. I believe that a previous teacher who worked for here owned the house the Hermitage" Jeremy says.

"You think they're the same person?" Yumi asks.

"Finding two people called Franz Hopper in a radius of this school, his house, and the factory is too much to not be a coincidence" Ulrich adds.

"Right, and I'll have to look in the archives and compare the signatures. If they're the same, we may have a lead on who created Lyoko and Xana" Jeremy says.

"As well as Aelita" A adds.

"How do we know that this guy created all this madness?" Yumi says.

"Maybe not, but it will be a start."

"Yeah, the guy's house has a direct passage to the sewers. He has to be connected in some way" Odd says.

"You guys take care of that. Also, everything seems quiet at the moment. Xana seems to be taking a break" A tells them. Xana decided not to attack this week, He needed to finish the monster and he knew Aelita would come shortly after.


A decided to check around the Hermitage herself first. But unfortunately for her, Jeremy, Odd, and Ulrich were also there. "A, what are you doing here?" Jeremy asks.

"I was curious to see if I can find anything out about Xana, Lyoko, or Aelita. Anything that can help us is a big help" A said.

"Well, we're here for the same reason, so let's go."

They opened the door to the interior, and it still had that creepy atmosphere. "This place still gives me the chills" Odd says.

"Try coming here alone or at night. That would be pure terror" A tells him.

"What are we looking for?" Ulrich asks.

"Anything that gives us information about Xana or Lyoko. If this Franz Hopper guy has anything to do with either, he's bound to have something to do with it" Jeremy says as they start to search.

They enter the study and A has a flashback. After she graduated from Kadic, she had a lot of free time, so she started reading a lot more. With this she discovered a lot of different works of literature and enjoyed them thoroughly. She then formed a smile, knowing that her current self was going to experience the same thing eventually.

"What are you smiling about?" Odd asks.

"Oh, I was just thinking about some books Aelita would like later on. It's weird that an abandoned would make me think of that" A says.

"Like adult stuff, right?" Ulrich asks.

"Sure, let's say that" A said, knowing that the tiles she was thinking of haven't been released yet.

Jeremy also smiled as he noticed something out of place. "Hey, what's this doing here?" He pulls out a book.

"The Tunic Wars?" Ulrich says.

"Punic, not Tunic. The war between the Romans and the Carthaginians."

'I guess that explains why that fifth territory is called Carthage, even though they were defeated' A thinks.

Jeremy looks through the book and sees a bunch of notes written in it. "Look at all these notes. I'm pretty sure Hopper wrote them."


A was in the forest reading the book, reading the notes. They all had something referring to Lyoko or Xana. "So, my father planned out all this before he created Lyoko and Xana. A name for the sector and even having a security passcode to enter sector five. And everything he detailed here is the procedure he took to create Xana and house him here. But nothing on how to defeat him. Was my father even planning on destroying Xana? It would make sense why his plan in the destroyed future didn't play out the way he envisioned." A's phone rang. "Jeremy, what's up?"

"A, we got major problems. Aelita has gone back to Lyoko on her own! We'll meet at the factory!" Jeremy exclaims.

"Ok, on my way." She hangs up. "Time to test your creation Xana."


When they all arrived at the factory, Jeremy saw Aelita in trouble in the forest sector. "Aelita is in trouble! All of you are going in!" With that the four of them descended down to the scanners and then virtualized in the forest sector.

"Do any of you see her yet?" Jeremy asks.

"No, she's not here" Ulrich responds.

"She's due North."

They all take off running as A takes off using her wings. As they continue to run a Krab appears and fires at A. She dodges before dive bombing it. "Energy field!" It's destroyed as they continue off when a second one appears.

"Yumi, you and me!" Ulrich tells her as the two engage it. Yumi throws her fan as Ulrich slices the legs off. Yumi's fan hits and the second one is destroyed.

"Nice job, but the bloks are catching up to Aelita" Jeremy informs them.

"Well, call us some taxis Einstein" Odd tells him.

"Coming right up." The warriors vehicles appear in front of them. "Guys, we got problems."

"What happened Jeremy?" A asks, hoping Xana did what he needed.

"I just lost Aelita from my screens."

"You think she-" Yumi says.

"No, I didn't see any sign of her getting devirtualized. Wait, hold on. Got it. It's a signal, a weak one, but strange. She's not in this sector anymore, not in any sector. A sector that doesn't exist, a fifth sector."

"Huh? A fifth sector?" Odd says.

"It's true. The testing grounds where me and the others were tested were across the five sectors" A says.

"Then we couldn't access it before?" Ulrich asks.

"The man who tested us probably blocked access to it or he used some kind of special code to send us there."

"Can your Lyoko band send you there?" Yumi asks next.

"Probably, but I'm not willing to try if Jeremy doesn't have an entry code into this new place."

"Wait, I just got something. Welcome to Carthage?" Jeremy says, with a question.

The four wait around for Jeremy to find a solution. "Jeremy, you know Aelita is in this mysterious fifth sector. So, I hope this doesn't take long" Ulrich says

"I hope not."

"Well prepare for battle. Xana sent us some visitors" A says as four hornet fly towards them. 'Probably to stall us until he can get the keys, if his new monster works.'

"One for each of us. Let's go!" Odd says.

The four continue to fight but are struggling to do so. "Jeremy, we need a solution now!" Ulrich says.

"There's a password. Something to do with Carthage I think" Jeremy responds.

"This is no time for a history lesson!"

"Jeremy, there is a password. Which means if cracked it can be defeated. Who defeated Carthage?" A suggests. The four of them all back up to the edge as the hornets fly away.

"Hey, the hornets are calling it quits" Yumi notices.

"Come back, you cowards!" Odd calls out to them as a white orb appears.

"What's that ball doing here?" Ulrich asks.

"I think the code word Scipio made it appear," Jeremy informs them as the four of them enter sector 5. "Welcome to sector 5."

"Is this what you saw A?" Ulrich asks.

"I never saw it personally, but what I heard from the others, this sounds like it" A responds.

"From what I see it looks like a dome. Uh oh. I just got some kind of countdown. It's probably bad news," Jeremy tells them. "I think Aelita is in trouble. Take the path in front of you."

The four take off into the corridor to the core zone. As they arrive they see a jellyfish creature doing something to Aelita.

"Jeremy, there's this thing in here-" Ulrich starts.

"Destroy it. That thing is taking away Aelita's memory!"

Yumi pulls out her fans and slices the tentacles of the new creature. Ulrich catches her as the room starts to change around them.

"I think it's time we leave!" A tells them.

"Odd, move it! "Jeremy tells him. The four run as the corridor starts to close behind them. Odd barely escapes as the countdown hits zero.

"Now what?" Ulrich asks.

"Hold on I'm entering the code Scipio."

"Time to go home" A says as the white orb transports them back to the forest sector. After all five of them are devirtualized.


"You should have seen it Jeremy. There were all these weird kind of monsters and this huge jellyfish holding Aelita" Odd explains.

"I think I got the perfect name for this new creature. Let's call it the Scyphozoa" A suggests.

"I can't believe that the Scyphozoa was stealing my memory" Aelita says in fear.

"Yeah. One thing's for sure. Xana wants something out of you Aelita. Question is what?" Jeremy asks.

"Think it has something to do with her relation to A?" Ulrich asks.

"If I am related to Aelita in any way, I didn't think Xana would need to steal her memory to gain access to it. He just knows something we don't" A responds.

"Well, if we want to find out, we'll have to go back and explore the fifth sector" Ulrich says.

"And we'll go" Yumi adds.

"As a team" Odd finishes.

"Well, not today. For now, it's uncharted territory. Since A doesn't know anything about it, it could be totally dangerous" Jeremy tells them.

"You're not mad at me for going to Lyoko by myself Jeremy?" Aelita asks.

"Not at all. I promise to spend more time with you" Jermey tells her.

"We just got to help her adjust to human life, so Sissi can't-" A starts.

"Odd?" They all turn to see Sissi in the door. "Do you know what your mutt did in the shower? Oh. What a pretty picture. You found Mrs. Einstein. And an older version of her."

A turned away from her. She knew she wasn't serious, but still couldn't let a mistake reveal her true identity.

"Yeah, while you were taking your third shower of the day!" Ulrich points out.

"Well, you know Ulrich dear, a beautiful flower like me needs to be watered often."

"Yes, you never know. You might sprout a brain" Aelita quips towards her.

"Morons." She walks away.

"Seems like Aelita is already on the path to becoming a normal human" A remarks.


A returns to the mountain sector for the test results. "So, was it successful?"

"Yes, I was able to retrieve a few code fragments of the keys. But like I said, I need a full memory to get a full key."

A decided to do something a little risky. "Is Aelita the only one who has a key?"

"No, but I was able to obtain the first half of the key from my prisoner. Right after the test was successful, I extracted the first half of the key."

"Where is this prisoner?"

"He is kind of, elusive. I trapped him in a special area of my home, one where he cannot assist the Lyoko Warriors."

"Is he really that much of a threat?"

"He may seem harmless, but if he is released before I can get out, I will not survive. He made me and this virtual world."

A walked away. 'Hopefully he stays that way. As much as I want to free him, I can't risk the rest of the world for one soul' she thinks as she retreats to her virtual abode.


A.N. – And sector 5 and the Scyphozoa have made their entrance. I don't know how the next episode will play out, but we'll see how it goes next week. PM me with story ideas if you have any! Don't forget to review with questions or comments! I will respond! As always, till next time! See ya! -lyokowarrior97