After Ritsuka's abduction, the Servants start making a plan to try and find him, wherever he was taken.

Meanwhile, Ritsuka wakes up in a completly unknown world.

It had been barely 3 minutes since Ritsuka was taken, and Chaldea took no time in getting to work to bring him back. Luckily for them, when Shirona left, a little bit of the energy of the portal she opened stayed back, and Da Vinci alongside the others great minds in Chaldea immediatly starting to work in finding out where did it leaded them. Meanwhile, the rest were preparing for a rescue mission.

"Goddamit Gilgamesh, you can see the future, why didn't you told us that woman was dangerous!?" - Eresh yelled at him, enraged like never before.

"Because I didn't saw it! Whatever she is, her powers interfered with my Clarivoyance, I couldn't see what she was about to do!" -

"How was she able to do that? And what the hell is the Beyond she talked about?" - Jeanne Alter said.

"I felt something within her, something familiar, like myself, Hokusai, Yang and the others..." - Abby said, which helped them at least understand a little bit better what they were dealing with.

"An entity beyond this world, a Foreigner, but even still, how she managed to completly freeze us without doing anything... And what is this Arcana she spoke of?" - Mash questioned.

"Not a clue, nothing in the records talks of a place with that name, nor does any Heroic Spirit in Chaldea hail from a similar place" - after inspecting the database, Nemo concluded that there was nothing relating to a place called Arcana.

"Everyone, we managed to find a way to follow her!" - Da Vinci's voice was heard all across Chaldea - "Heroic Spirits, prepare to save our Master!" -

In a blink, the Servants at Chaldea got ready for the rescue mission. They would be guided by Da Vinci, Holmes and Goredolf to set up a camp in a safe zone that would later work as their extraction place. Mash would be the de facto leader replaicing Ritsuka until they could find him. Once they did, they would return for extraction.

"Be careful, the energy requiered to take all of you to wherever that woman went is extreme. We're going to take a while to regain it and bring you all back. If you find Ritsuka quick, then keep a low profile until I give the signal, alright?" -

"Understood, send us Da Vinci!" -

The Command Room shone in deep white as the Servants were transported to the other world. None knew what they would find or what they would face, but rescuing their Master was a priority, and they'd risk their lifes to do so...

Lostbelt ?:

The Star Born of a Miracle.

The Unknown World at the End of Time: Arcana.

Lost Depth: ?

Lostbelt King: Shirona Fujimaru.

The Servants appeared in the middle of a giant field at night. First thing they noticed was the sky, besides its usual nightly colors, there were what seemed to be red and purple cracks in it.

"Just by looking at that, I can surely say this place isn't in a good state" - Cu said as he readied his spear in case any enemy tried to approach.

"Da Vinci, are we safe?" - Mash asked.

"No enemies close, but that's because you're a little bit far away from civilization... Wait a minute, I know this place" -

"Da Vinci?" -

"Everyone, look at this!" -

A map opened in front of all of them, they were standing in the middle of India, and the capital of New Delhi shouldn't be too far away.

"Looks like we landed a little bit far from Chaldea. Come on, let's go to the nearest city" - Artoria took no time to comand everyone, who started to make their way towards New Delhi.

On the way, they looked at the world around them, it looked almost normal. Cars drove by the road, people acted like normal, even if the Servants walked directly in front of them, and even so... One interactions was enough to set them off.

"Hey, are you guys going to the Shiva Fortress?" - a man by the road asked them.

"Shiva.. What?" - Rama asked, confused as to what they were talking about?

"Oh, you must be new here. Shiva Fortress, one of the 5 that holds the barrier of the Demiurge" - the man said - "After the Emperor rose to power, she installed the 5 to keep us safe" -

"5? What about the other 4?" - Erice asked this time.

"Man, you guys don't have good memory don't you? Besides the Shiva Fortress here in India, we have the Amaterasu Fortress in Japan, the Chronos Fortress in Greece, the Ivanov Fortress in Russia and the Huitzilopochtli Fortress in Mexico" -

"Thanks, we'll... Keep going towards the Shiva Fortress" - Karna thanked the man and the Servants continued on their way.

"Shiva? Amaterasu? What the hell happened to this world?" - Medea said as she tried to comprehend.

"And this talk about the Demiurge..." -

"Hang on Siegfried, I think I know what they refer to. This thing wasn't hard to find" -

Da Vinci then opened an image in front of all of them, and it was something they wished to never see again. A giant Fantasy Tree that went from the depths of the Pacific Ocean, reaching all the way towards the Exosphere.

"A Lostbelt..." -

"That explains a lot. So, we just go get Master and then we chop the Tree?" - Jason asked.

"I'm afraid it won't be so easy. The Tree is protected by an energy barrier that has 5 different 'batteries', if you could call it that, the 5 Fortress. Worse of all, I sense that Master is inside of it" -

The mission was now clearer, destroy whatever in the Fortress was powering up the shield, rescue Ritsuka and destroy the Fantasy Tree.

/Inside the Fantasy Tree/

Ritsuka's eyes slowly started to open. He didn't knew where he was. He tried to move his arm, but remembered what had happened, she broke it, his 'mother' broke his arm.

"Where the hell did she brought me?" - the boy said as he got up from the bed in which he layed and started to head to the door. To his surprise, it was open.

The place he was seemed very fancy, like a mansion, and just as confusing as one. Fujimaru tried to make sense of his surroundings, yet couldn't find anything that would lead him outside of the place.

While walking, his ears catched something, a beautiful melody, one that he remembered from his childhood. He thought he knew better not to follow it and yet... It seemed to becon him.

He followed the sound towards a room with a view of the outside world. There, Shirona was sitting in a chair, her eyes closed and singing the melody, only stopping after Ritsuka's footsteps caught her attention.

"Good morning my child, I hope you had a good sleep" - she said with a caring smile and a sweet voice.