As a layman, Jean couldn't offer an opinion on Rin's statement.
But one thing was certain: being this confident was generally not a good sign.
With the Einzbern Family having been cursed for centuries due to the Rhine gold as a precedent, maybe the oil tycoon was being jinxed by this stone.
After all, this was the Type-Moon World where mystery existed, and combined with Rin's tendency to drop the ball, it was worrying no matter how you looked at it.
However, seeing how much Rin liked it, Jean couldn't bear to deprive her of what she loved, so she thought of another way.
Using the key points from the Tohsaka Family's Gem Magecraft, she converted the crystal at the core of Cthugha into a stardust crystal, then condensed it into the shape of a gemstone.
Just after Rin had completely sorted and organized all the gemstones and gold bars, Jean's stardust crystal pendants were finished.
She made three in one go, giving one each to Rin, Sakura, and Illya.
The other two in the room, Cú Chulainn and Bazett, did not receive such treatment.
Cú Chulainn was skipped because there was no desire to give gifts to men, and Bazett was skipped because she was a prisoner.
Among them, Sakura's and Illya's were translucent white crystals, while only Rin's was a red crystal that matched her perfectly.
This was made by specifically adding Jean's blood; the stardust crystal could enhance defensive capabilities, and the vitality in the blood could improve recovery, making it a high-end life-saving item.
She took a platinum necklace from the pile of jewelry, threaded the crystal onto it, and personally put it on Rin.
Bouncing over to look in the mirror, Rin smiled very happily, even more radiantly than when she saw the pile of gemstones.
Although Sakura looked awkward, she still thanked her properly, and Illya expressed her gratitude very politely; it seemed that girls had no resistance to such shiny things.
"Next, we should prepare dinner. Saber has already replied and will come to the house to eat and discuss the matter of an alliance." Rin prepared to take action as she saw it was getting late.
But Jean seemed to have heard something very shocking:
"What did you say? Saber is coming over for dinner?"
"That's what the familiar's reply said. It seems the other party is also very keen on teaming up to fight Gilgamesh."
Now, Jean felt a deep sense of powerlessness in her heart: 'Keen is an understatement; this is killing two birds with one stone. To think she's actually having Saber come over for dinner! This is too insane. I didn't expect the Tohsaka Family, who just received financial support, to go bankrupt today.'
Jean was now seriously considering getting a few crates of compressed biscuits, telling Lia that this was modern military rations, and letting her try them to see if she could be fed.
Just as Jean's mind was wandering, the doorbell suddenly rang. A spirited young girl wearing a black suit, accompanied by a cute little girl in a dress, stood at the door.
Ushering the two into the house, Jean temporarily took over from Rin to receive them.
After seating them, to prevent Saber from choosing to refuse cooperation due to the excessive number of people on their side, both Bazett and Cú Chulainn went to another room to avoid them.
Jean and Lia sat face-to-face drinking tea, while two little lolis were staring at each other nearby.
Ever since Illya entered the room, her gaze had not shifted from White (Magical Girl Illya), and White also seemed very concerned about Illya.
As a result, the room fell into a deep silence, with only the sound of tea being sipped.
Feeling that this wouldn't do, Jean was the first to speak: "Gilgamesh was here earlier."
Lia's pupils dilated instantly, but she still didn't speak.
"As a top-tier Heroic Spirit, after becoming a Servant, she can rely on those endless Noble Phantasms and is almost comparable to her original Heroic Spirit form."
Lia continued to drink her tea silently without expressing any opinion. At this moment, Jean realized that this was probably some diplomatic tactic, waiting for the other side to clearly propose an alliance first to gain an advantage in negotiations.
So Jean also planned to drop a bombshell:
"That Gilgamesh proposed to me."
"Pfft!"
The tea she had just sipped was sprayed out directly.
"He proposed to you too?" Lia asked with a look of surprise, and the use of the word 'too' was very profound.
"It should be'she'. That Gilgamesh is actually a female."
"Cough, cough, cough, cough, cough." Because of the successive shocks, the remaining tea in her mouth choked her throat.
"Are you okay?" Although a Servant wouldn't choke to death, Jean still expressed concern.
"Sorry, excuse me. Thank you for your concern."
Having experienced such a thing, Lia was no longer silent and began to communicate with Jean with a sense of shared misery.
Undoubtedly, Lia remembered the events of the last Holy Grail War, and although her final memories were missing, she still had an awareness of the threat posed by Gilgamesh.
And Jean filled her in on the details about the Star of Omniscience and Omnipotence, as well as other settings of the Gate of Babylon.
"So that's the kind of Heroic Spirit she is..." Even Lia felt a little powerless now, but she quickly put forward her point of view: "The areas where a Servant is inferior to a Heroic Spirit are not just the amount of magical energy and Noble Phantasms, but also other aspects, such as reaction speed, sensory abilities, and the like."
"Are you talking about assassination?" Jean quickly grasped her meaning; as expected of the Saber of the Fifth War, she came up with the idea of assassination just like that.
"But that must depend on your concealment ability; after all, you are the Assassin, aren't you?"
"Hehehe, I'm not bragging to you, but my concealment ability—it's like it doesn't even exist!"
Jean puffed out her chest with great pride, leaving Lia dumbfounded.
Then Jean unleashed her only current concealment ability: Presence Reduction.
After confirming that the spell was activated, Jean stretched out a hand and waved it in front of Lia's eyes, but Lia's eyes kept following Jean's hand without losing track of it for a moment.
"Although it feels like my presence is weakened, this is only for the perception of living things; things like airflow and sound still exist. For this method to work, it requires a noisy environment like the previous blizzard."
Jean naturally understood the problem Lia mentioned; this kind of spell was basically meaningless against stronger wills, as the Patriot had already proven.
But the problem of concealment really needed to be solved. Since she had rarely appeared in the Assassin class, she had to activate the Presence Concealment ability no matter what.
After spending a while deep in thought, Jean suddenly got inspiration from the person in front of her:
"Lia, do you think the Barrier of the Wind King is easy to learn?"
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