Aleister groaned as he woke up, feeling... Different. There wasn't an easy way to describe Gaia's Blessings, he wasn't suddenly a super genius thanks to being a 'Mad Scientist', but he knew if he focused on it he could create thousands of biological experiments.

But that wasn't his main focus, no. He raised his hand with Command Seals, feeling a spark of new energy within them, the ability to summon another Servant. Despite his desires, it'd be better to summon his new Servant at the end of the day and after talking with Medea.

With that decided, he got up and began his day. Recent Endbringer attack or not, he had far to many things to do.

"So your telling me Gaia somehow managed to get through EVERY single defense I created? Without alerting me in any way?". Medea spoke frustrated. "Don't get me wrong, you having more powers and the ability to summon another Servant is useful, but I dislike owing so much to someone we know little to nothing about".

"I can't really disagree... But we should make use of what we have. Speaking of have you managed to get my request done?". Aleister asked, the Caster nodded and presented him with crimson ropes.

"Even a Demi-Servant shouldn't be able to break these, even if I think your plan to study Rhongoymniad without a method to control Lancer is foolish, I've done my best to ensure your not wiped off the face of the Earth via Noble Phantasm".

Taking hold of the ropes, Aleister reinforced his limbs and attempted to tear it, finding no success he nodded and... He actually had no way to carry a lot of supplies on him at once, he should look into that.

"Well, sometimes you need to take a risk to get a reward".

Aleister wasn't really sure if Cyber needed a durability upgrade, her Mystic Code already made her entire body as durable as vibranium as long as she was wearing a piece, but he supposed a bit of extra security wouldn't hurt.

Using his new abilities, he easily found himself reinforcing various areas of her body while at the same time keeping it so her body wouldn't become completely unfeeling. A bit of dulling to the senses was an unavoidable sacrifice however.

He did want to originally try coating her bones in vibranium again, but this time his Mad Scientist - Biology kicked in, giving him the exact reasoning why his previous attempt failed. How the hell was he meant to know this Wolverine guy had advanced regeneration? His originally Mad Scientist ability only told him about machines and a tiny amount of biological knowledge.

It did make him wonder if he could turn himself into a regenerator, now that would be a useful ability to have.

Cyber's ordinary durability is now bullet proof.

Aleister found himself running into an issue quick when he tried to study Rhongomyniad... He needed Vista awake to actually summon the spear. Of course, that didn't mean he had no options.

"Αφήστε την παρουσία της θεάς Εκάτης να γίνει γνωστή, σας ζητώ να μοιραστείτε τα μυστικά σας σε αυτό το χωράφι". Medea chanted as black mist started to emerge from the ritual circle she had drawn, an unconscious Vista bound by crimson ropes began to squirm. "Ο Πύργος που βρίσκεται στο τέλος του κόσμου, εμφανιστείτε εδώ! Υπό το διάταγμα της θεάς της νύχτας!".

(Let the presence of the goddess Hecate make itself known, I ask that thou share thy secrets upon this field. The Tower that resides at the End of The World, manifest yourself here! Under the decree of the goddess of night!).

Aleister shivered as he felt the black mist touch his legs, this was... This was different, he'd seen Medea do a couple rituals to the Greek Gods, but this? This felt like something was actually watching him, a presence he could barely comprehend.

Silver light began to leak from Vista who began thrashing about, and for a few seconds he worried the rope wouldn't hold, that the strength of a being so close to divinity would tear-

The world trembled as Vista's eyes shot open, glowing pure green staring at Aleister for a few moments and then suddenly losing focus, a final burst of silver light emerging from her chest and forming into the form of a large spear stabbing itself into the ground. The master froze, waiting to see if Vista would move but when nothing happened, he slowly moved forward, not daring to touch the spear.

"The Tower that resides at the End of The World, its even greater then I expected it to be, a Divine Construct among Divine Constructs...". Medea quickly began creating mystic symbols around Rhongoymniad, a purple glow travelling across it. "At best it will stay here, but using its power is beyond us for now. Available to study, yet we can't use even a fragment of its power...".

"Its acceptable, its to risky to use something like this spear without knowing as much as we can about it". Aleister nodded, the spear was still bound to Vista and without completing Babel he couldn't hope to take it. At the same time...

Across the world, a woman in a fedora shivered as the rest of Cauldron tried figuring out what was wrong with her. Path to Victory unable to comprehend the mere existence of a Divine Construct.

Rhon acquired! Somewhat... It also seems to be fucking with the Shards, as no matter how advanced they are, they can't calculate a Divine Construct. If your wondering why it hasn't happened before now, Vista never actually summoned the spear.

Aleister had never actually considered just how powerful and complex a Divine Construct was, it was the creation of a planet or god after all. He had theories and ideas on how to contain and control its power, but at the end of the day-

"Another failure...". He threw a pure white crystal into a pile filled with various other junk, machines and Mystic Codes. He glared at the spear stuck in the ground, Rhongoymniad was turning out to be a nightmare and a half to figure out, but he needed to know more about it to complete Babel.

It was clear that neither science or magecraft alone could contain the spear, Logos React Replica was a unique creation because it combined both seamlessly. There had to be something that could handle it-

The idea struck him with the force of lightning, the most advanced machine he knew of, a creation able to perfectly recreate Divine Constructs and even the might of Gilgamesh's EA, a force that could influence the multiverse.

The Moon Cell.

He instantly dismissed the idea of creating his own Moon Cell, the supplies he'd need would cost a planet to create and just couldn't be done by one man alone. He'd need hundreds if not thousands of Casters on the level of Merlin to create his own Moon Cell.

But there was something he could take from it, Photonic Crystals, one of the most advanced materials he'd ever seen and what he needed to complete Babel. It wouldn't be easy, but if he could create enough Photonic Crystals, it would be possible to complete Babel and acquire Rhongoymniad for himself.

Aleister has a plan now... But creating Photonic Crystals is going to be HARD.

Couldn't think of a way to write FB improving security and already spent half an hour on it, just take the improvement.

Aleister checked over the summoning circle he'd created with Medea's assistance, his previous summoning ritual had been the bare basics of summoning a Servant, so hopefully this improved ritual would ensure a strong Servant...

Of course, they had also prepared means to deal with the Servant if they were hostile or would refuse to work with two villains. Medea had laid dozens of traps she could activate to restrain the Servant long enough for him to use a Command Seal to rewrite their mind.

Finally they were ready, and with a held out hand he performed the full chant.

"Let silver and steel be the essence. Let stone and the archduke of contracts be the foundation. Let black be the color I pay tribute to. Let rise a wall against the wind that shall fall. Let the four cardinal gates close. Let the three-forked road from the crown reaching unto the Kingdom rotate".

Light began to radiate from the ritual circle, with Aleister feeling a pull on his Magic Circuits, mana beginning to be drained from him to fill the ritual. He began on the next part.

"Let it be declared now; your flesh shall serve under me, and my fate shall be with your sword. Submit to the beckoning of the Holy Grail. Answer, if you would submit to this will and this truth".

Now they weren't actually connecting the Servant to the Holy Grail they had created, but using its presence they were able to make the summoning more stable. Although Medea had complained about how hard it was to actually transform Gaia's brute forced summoning into a proper summoning ritual.

"An oath shall be sworn here. I shall attain all virtues of all of Heaven; I shall have dominion over all evils of all of Hell".

Aleister's eyes caught onto the details of golden light forming into a feminine form, a grin across his face. He could accept a male Servant, but he was self aware enough to admit he wanted to fuck some of histories greatest beauties.

"From the Seventh Heaven, attended to by three great words of power,

come forth from the ring of restraint, protector of the holy balance!"

In a final burst of light, the Servant fully manifested. A familiar blue haori fluttering around her, he heard a gasp from Medea behind him and knew as soon as was humanly possible, she would get this Assassin in modern clothing.

"I've arrived! Shinsengumi's First Unit Captain, Okita Souji! Are you my Master?". The Assassin introduced herself, Aleister was a bit surprised to see Okita as an Assassin, but when remembering her potential classes, Assassin was among them.

Now he needed to decide what to do with her...

NOBODY EXPECTS THE OKITA! When I was going through potential Assassins I kept returning to Okita, both because she's a very direct fighter which Aleister needs, and because she's cute. Her current summoning is her proper form as an Assassin (Unlike the Swimsuit jetpack one), I'll make a Servant sheet for her soon.