The top of the all-metal floating city is a circular structure, except for the gap between the lifting platform and the passage outside, the entire floor belongs to the core cabin of the floating city, and the interior decoration is ingenious, if it is not for the confirmation that he has not crossed the space, Kylot must have doubted whether he has entered the core base of a certain organization.

The main entrance of the passage was greeted by an extremely empty hall, a long table engraved with runes, and a vacant space in the center, surrounded by eight seats, which Kellot thought should symbolize the eight top alchemists in the beginning, and this should be the council chamber.

At the back of the council hall against the wall, there are a large number of strange devices of unknown function, among which there is a suspended platform every few meters that makes Kailot more concerned, supported by a metal ball below, there are many buttons and handles around the platform, marked with ancient characters, his eyes swept around, and what Kelot could understand was the words "launch" and "adjustment" in front of some red buttons.

Zi~Zi~

The communication headset suddenly heard the sound of electricity, and the top position seemed to be able to receive the transmission of energy from the outside world, but there would be some disorder, and Kailot took off the headset and tried to adjust it.

"Hello?"

"Chief, have you entered the Fullmetal Floating City?"

Tom asked excitedly in the headset voice.

"Well, I'm already in the control hall of the floating city, and I can't read the device here, since I'm already in...... We'll have to find a way to activate it, and preferably turn on the spatial teleportation ability again, and teleport the Floating City directly to our Bluetree Islands. ”

In the wasteland outside of the Osherin, Kailot had seen the spatial leaping ability of the floating city, and there should be no one in the floating city at that time, which meant that the floating city could achieve independent spatial leaping, and Kailot wanted to know which device this function was on.

Generally speaking, this kind of giant fortress-type alchemy creation will definitely have a control center inside, just like the core magic circle used to control the war puppet, as long as you find the control center, you can naturally control the entire floating city. ”

Tom's suggestion, which was rich in knowledge of ancient alchemy, was very pertinent, and Kailot quickly began to look for the large console he was talking about, trotting around the entire hall on the top floor, and all he saw was all kinds of strange equipment, and there was no alchemy slab with a large number of manipulating the magic circle as expected, and all the parts seemed to exist independently.

"How could you not find it...... With such a large all-metal floating city, there should be such a thing as a control center, isn't it on the top floor, but at the bottom floor?"

There are so many devices and instruments in the all-metal floating city, they may be able to be used independently, but a master control switch is essential, it may be a hedron slab with a large number of refining circles, or a huge control platform, the problem is that Kailot can't find a similar existence.

When Kailott was distressed because he couldn't find it for a long time, the research team on the Dingyuan was also in a predicament, the leader had already arrived in the Floating City, and he was only one step away from completely revealing the mystery on the outside of this divine creation, but now he was disoriented by a control center that should have been very conspicuous, which really shouldn't be.

"Could it be because the ancient alchemists were not used to the integrated control center, and all the devices were set to be controlled by a single person......?

Dryden decided to look at the root of the problem, they always studied the Fullmetal Floating City as a modern base, but after all, this was something created by ancient alchemists, and the concept of a control center may not have existed at that time.

"No, according to my research on ancient alchemy, although there was no spar technology at that time, the alchemy array in all aspects was able to achieve many things that spar technology could not do, a simple control center for controlling the all-metal floating city, this is not such a difficult thing to think of, wait, what did you just say?"

"Single-player control?"

"No, what's next. ”

"We take it for grant......ed"

"That's it, our idea is too taken for granted, thinking of the control hall at the top of the all-metal floating city, we think that there is a control center inside! In fact, as long as we think about it the other way around, who is the person who controls the all-metal floating city? Alchemist! What do these people rely on to control the all-metal floating city? The cup of primordial!"

According to the inference so far, the Primordial Cup, that is, the Bloodline Holy Grail, is likely to be the core key in the Fullmetal Floating City, and the group, including Kailot, after entering the Fullmetal Floating City, focused all their attention on other places, ignoring this most crucial thing.

Thinking of this, Tom decisively contacted Kylot.

"Chief, we were wrong in our previous thinking, we were not looking for a control center, but a place that could become a control center, the characteristic is that the place is spacious, and it may be a place to discuss affairs. ”

"Also, in order to be able to use the control hub better, that place must have a good view of most of the equipment on the top floor. ”

Dryden and Tom quickly summed up some conditions, drawing inferences from each other, and bringing the two wise minds of Qingshu is destined to be the wisest decision of Kellot's trip.

"The place is spacious, the view is wide, it can be a control center, where will it be......"

Kailot's gaze wandered around the top floor, and his fingers inadvertently tapped on the table next to him, hmm? There were so many refining circles engraved on this table...... There is such a coincidental gap in the middle, could it be that this table?

Standing up, supporting the table with both hands, the spatial ring on his finger flashed light, and the spatial teleportation circle appeared in the gap in the center of the table out of thin air, and all the fragments of the altar appeared in it, in addition to the fragments, there were several high-concentration energy crystal pillars and some metal devices.

"Tom, teach me how to use this improvised energy infusion, I may have found where the altar is supposed to be, I'm going to activate it in it!"

Everything to be used has been taken out, and all that remains is to assemble and start.

"That's great! You put the black metal tripod in a five-pointed star position, the distance is not too important, but make sure that it is stable. ”

"Alright. ”

The psychic power manipulates the metal tripod to place and maintain communication.

"Next, I put the energy pillars in, I marked each pillar, the marked end was inserted into the tripod face down, and pressed the brown pick on the outside of the tripod, and it automatically snapped the crystal tight. ”

"Hmm...... Okay, what's next?"

It was an improvised device, not difficult to operate, and Kailot followed Tom's instructions to complete it quickly.

"Next, Boss, you need to find a tripod that is larger than the other devices, there should be three buttons of different colors on it, green is to start, yellow is energy input adjustment, red is to stop, the data in the device and I have already set it in advance, all you have to do is press the green button. ”

Smack!

Directly touch the green button, easily press it in, blue-purple electricity immediately appeared from the center of the tripod, the top of the red energy crystal pillar shot out of the energy line, directly connected to the energy crystal pillars on the left and right sides, and then directly activated the five energy crystal pillars in a diffuse way within three seconds, the crystal pillar continued to increase in brightness under the stimulation of the current, to a certain critical point, the red energy rushed straight to the center of the table, five beams of light converged in the center, and formed an arm-thick energy ray directly injected into the altar fragments below.

Pulled by the energy, the altar fragments began to sway and collide, and began to assemble and restore in the order they had seen in the laboratory before, changing from bottom to top, and finally the surface of the altar was tightly closed to the space in the center of the table under Kailot's gaze.

And at this moment, the output of the energy crystal pillar suddenly expanded uncontrollably, and the crimson high-concentration crystal pillar was fading at a speed visible to the naked eye, and something was absorbing the energy in it!

Some of the rune lines on the edge of the altar are coincidental or unique, but they are completely in line with the rune lines in several places on the table, and in the time that Kelot wondered, the light from the altar was quietly extending outward, and the entire table was being activated......

"Tom, Dryden, the altar has been put together with a table engraved with a circle of alchemy in the top hall of the Fullmetal Floating City, you are right, the altar on Rhone Hill was originally a thing in the Fullmetal Floating City, this is where it should be, I am now going to put the Holy Grail Fragment in it and activate the altar completely. ”

The altar and the table are merged, proving that the idea is right, but this is an altar in an out of order, and the real effect can only be seen by throwing the bloodline chalice fragments into it, daring to think and dare to do has always been the merit of Kylot, two bloodline chalice fragments, each put in the right place.

Standing next to the table, watching the altar spin and split and put back together, his eyes froze, this time it was different from the situation in the laboratory!

According to the experiment in the laboratory some time ago, after the two parts of the altar changed back to their normal appearance, the energy model inside the all-metal floating city would appear, but this time it did not appear for a long time, and only the energy crystal pillar continued to infuse energy into it.

The table around the altar was slowly filling with energy, and Kylot circled around the table, staring at the expanding lines of energy, and he had a hunch that when these lines of energy were connected, something magical would happen.

Click~Click~

Sure enough, when the last line of energy touched the edge of the tabletop, the device containing the blood fragments in the center of the altar suddenly cracked, flattened, and retreated into the altar with two fragments.

This was not the end of the story, as the device in the center of the altar that stored the Bloodline Grail was pushed in, and a small and delicate platform rose from below, and Kailot couldn't help but lean in to see what it was used for.

"Wow!!"

An abrupt voice sounded in his ears, and as a high-level powerhouse, Kailot was so frightened that he almost didn't directly awaken the tidal bloodline, and the whole person jumped back a few meters.

"Who's?

Kailott confirmed that he had no auditory hallucinations, so someone was indeed making a sound just now, and there were other things in this all-metal floating city?

"Haha, it turned out to be a coward. ”

Playful voice, Kylot looked in the direction from which the voice came, the direction of the altar? I don't know when, a "little girl" had appeared on the platform in the center of the altar before.

The girl was about the size of a palm, wearing a bizarre costume that Kellot had never seen before, bouncing on the platform, and it seemed that she was the one who scared Kellot just now.

"Who are you?"

Kellot had a vague guess, but he wasn't sure.

"You're here, and you don't know who I am...... In the identity detection, the detection is passed, and the passage door is opened!"

The first half of the sentence is still the childish tone of the little girl, and in the second half of the sentence it is the prompt tone that Kylot heard on the other side of the passage before.

"You're the ...... of the All-Metal Floating City"

Choking, Kylot suddenly realized that he couldn't think of words to describe the nature of this little girl, who had existed in the Fullmetal Floating City before, and now appeared in the center of the altar, what the hell is this?

"You summoned me out, but you didn't know what I was, all of them were like this, I hated it, I didn't like you...... Discover the enemy!Alchemy Guardian activated!"

Dissatisfied with Kellot's scrupulous eyes, several humane frowning expressions appeared on the little girl's face, and the voice in her mouth changed again.

"Enemy spotted! Alchemy Guard activated!"

This time, the voice did not come out of the little girl's mouth, but the alarm sound inside the entire Floating City, and she could directly control the entire Floating City!

"I'm not hostile, there's no need to start guarding as soon as I come up, right?"

"No matter, I don't like you to be my new master, you only have two keys, my authority is higher than yours, I'm going to kick you out...... Target location confirmed, core hall, guards dropped!"

Switching between the two voices, as the control of the all-metal floating city, the little girl was really willful, and the next second her second command was issued, two black holes appeared on the floor of the core hall, and two mechanical golems rose from below, with red light flashing in their eyes, and rushed towards Kailot without hesitation.

"This speed, Pure Spirit level puppet? Wait, I didn't want to go against you, fighting here, but it will destroy the internal device!"

Kailot had already made the all-metal levitation his own, and these Spirit-level puppets were even more precious, so how could he do it......

"Target, expell!"

This is the little girl's response!