The Cosmic Juggernaut is of great significance to Otto, so he certainly wouldn't delay this matter for too long.
On the third day after informing Yae Sakura, the next step of the cracking work, or the first startup experiment of the Cosmic Juggernaut, officially began.
"Lady Durandal, Lady Sakura, please be careful."
"Yeah, you guys have to work hard and come back safely!"
Outside the huge spherical experimental facility, Rita and Susanna, as members of the guard force, expressed their concern for the two who were about to enter.
Yae Sakura and Durandal, the former still wearing the usual armpit-exposed witch costume, quiet and beautiful, while the latter had changed into the blue and white Excelsis Battlesuit commonly used in missions, and was doing the final check of her equipment.
After saying goodbye, the two walked into the spherical laboratory facility side by side and soon saw the huge black locomotive. Its beautiful appearance with a strong sense of science fiction seemed to say that this was a space train capable of traveling through the starry sky.
"Durandal, you have to be careful and stay safe."
"Well, I will do my best!"
What needed to be said had already been said in advance, so after a simple nod and conversation, Durandal started, and her blonde figure walked towards the locomotive.
Then, Otto sent an opening command to the Divine Key.
"Swish!"
A purple-black beam of light shot up into the sky.
The surging energy made the air suddenly oppressive.
Durandal looked up at the twisted space like a black hole, took a deep breath, stepped into it resolutely, and disappeared without a trace.
Seeing this, a trace of surprise flashed in Yae Sakura's beautiful eyes. She then turned to Otto, who was deep in thought beside her.
"Are you sure it's okay? It's the Divine Key, after all. Jizo Mitama is in a special situation, but even so, I almost sank into the darkness with Hiyomaru."
"You also said that Jizo Mitama is in a special situation. Don't panic. Cosmic Juggernaut is not a semi-finished product. Its Herrscher core has long died. The internal restrictions are artificially set, so it won't be too fatal. Besides, Durandal is very strong. Trust her."
"Ah, I hope so."
"Hehe, I can monitor her physical condition at any time. If there is danger, you can use your power to stop it forcibly. So, don't worry too much, everything is under control."
Otto smiled and made an OK gesture.
Five hundred years of ups and downs had allowed Otto to be calm and composed in most cases, so his words of comfort was particularly confident.
Yae Sakura let go of some of her worries, but she was complaining in her heart
'You don't even know Su is in there, right? If he weren't so Buddhist.... Try to change him to Kalpas or Mobius, and you would be skinned alive! '
With the actual contact, Angel had also removed many filters for Otto.
Although she still remembered to keep her concentration, at least she no longer felt scared when she thought of Otto and subconsciously wanted to retreat.
No matter how scary the old monster is, he is still a human being, and his weaknesses are obvious and fatal. She definitely can't outwit Otto in a fair fight, but with the huge information gap advantage, that's another matter.
Isn't this also a kind of progress?
...
"Hmm? Where is this? I'm... Oh, I'm Bianka, a doctor, working on conquering the 'Honkai Disease'!"
There was no time to think about it. The hands on the alarm clock showed that she was about to be late, and the patient was still waiting for her.
Durandal got up quickly, packed briefly, and rushed out the door.
She also ran into the test set by Su for her.
"Honkai Disease," a special disease of unknown origin, with an unknown transmission mechanism, appeared among people in different regions like random diffusion, expanding rapidly around the world. At the same time, there is no cure, and the infected will weaken and die in a very short time.
Strangely, Durandal was not too surprised by this disease, as if she knew subconsciously that it existed and was bound to happen.
"Alas, what am I thinking about?"
Outside the ward, Durandal looked at the palm of her hand and threw those messy thoughts behind her.
Those things are not important. As a doctor, all she had to do was save her patients.
With unshakable belief, Durandal pushed open the door of the ward.
...
Three trials, three choices. Durandal made the same choice as Su in the first two.
Until the last time, when Rita held the Judgement of Shamash and decided to start Project Stigma...
Durandal did head towards to Su's choice, did not break with Rita, but chose to share responsibility with Rita.
Isn't this a more selfish and closer to human answer?
Yae Sakura held the sword, the sword body embedded in her soft and rich chest, and looked at the twisted and fluctuating space in front of her with a calm expression, but she was chewing on Durandal's experience and choice in her heart.
Yae Sakura couldn't tell who was right and who was wrong.
Even Su himself couldn't explain it clearly.
This was an unsolvable problem, otherwise, Su would not be convinced by Durandal, but would decisively judge her failure.
Time passed, and the sky gradually darkened. Rita and Susanna on the periphery were becoming more and more uneasy. Seeing the energy output by the Cosmic Juggernaut and the surrounding distorted and fluctuating space unchanged, they became more and more worried.
Even Otto gradually frowned.
Yae Sakura held the hilt of the blade several times, but when she looked back and saw no instructions from Otto, she had to slowly let go of her hand, as if she was enduring her anxious mood.
"Be patient. The data shows that Durandal's body has not suffered any damage. It may be a setting similar to the maze dilemma, which just takes some time."
Looking at Yae Sakura's worried expression, Otto smiled and said soothingly.
Yae Sakura nodded slowly.
But Otto sighed in his heart.
'It's really the same Kaslana bloodline as Kallen that's working, right? It's not long since we met, but we've already gotten along well.'
Suddenly, the light around became disordered, and the purple-black beam that shot up into the sky released a violent brilliance.
Durandal appeared in front of everyone, and the blue-white Excelsis Battlesuit was replaced by a more gorgeous and dazzling golden-blue armor.
Durandal's little face still had some confusion, as if she had not come back to her senses yet. Then, Rita pounced on her like a flying bird and hugged her tightly.
The breastplates collided, but because of the double soft cushioning effect, there was no harsh sound. Instead, the gray hair and the golden hair swayed and entangled in the air, forming a beautiful and moving picture.
"Lord Durandal!"
"I'm fine, I'm back, Rita."
Durandal stroked Rita's hair, and the corners of her mouth gradually raised.
Recalling the illusion set by Su, she and Rita had parted several times. At this time, feeling this real warmth again, and smelling the faint floral fragrance coming from Rita, Durandal couldn't help but feel soft waves in her heart.
"A black and white windbreaker with a chest-revealing lining always seems to suit you."
Durandal couldn't help but mutter to herself as she recalled Rita's cool and pitiful appearance in Kevin's style.
Rita let go of Durandal, looked at her, and blinked blankly.
"Lord Durandal, what did you just say?"
"Nothing... I mean, do you want to try using a greatsword? The kind with flames that's very handsome?"
"Ah?"
"Ahem! Just pretend I didn't say anything."
Durandal scratched her head, and then had to face Susanna's tearful reaction and was at a loss in the crowd of two people.
At this time, Yae Sakura and Otto didn't choose to come over to disturb her, but looked at each other tacitly and smiled together.
"My most proud student, I didn't disappoint you, did I?"
"Indeed, they are all very good children, Mr. Otto."
The two old people talked, looking at Durandal and the others with a kind look as if they were seeing their juniors.
After a while, Yae Sakura turned around and planned to leave the laboratory. Anyway, she would not touch Cosmic Juggernaut for the time being, and there was no point in staying here. Adhering to her quiet personality of not liking to join in the fun, it was best to leave quietly.
Then, Durandal suddenly spoke.
"Please wait a moment, Sakura!"
"Hmm?"
"That pioneer inside said he wanted to see you."
"Hmm???"
Everyone's eyes were focused on Yae Sakura, who was confused.
Especially Otto. He was already touching his chin and frowning again.
"Is there anyone else inside?"
"This, I can't explain it clearly for a while, but anyway, he's not a bad person. Although, I don't know why he wants to see Sakura."
Durandal scratched her head and said innocently and cutely.
Yae Sakura froze for a moment, then slowly lowered her head and looked at the sword embedded in her chest.
She was careless. How could she ignore Sakura and Rin of the previous era? They were one of the bloodiest wounds in the hearts of the Flamechasers.
Jizo Mitama is now complete.
As Sakura's comrade-in-arms, it is natural for Su to want to know Rin's ending, right?
But this is just the best guess. What's worse is that Su may have seen through her identity and planned to eliminate a Herrscher for the current era first?
For a moment, under Otto's thoughtful gaze, Yae Sakura maintained a proper look of doubt on her face, but her heart was beating.