Otosaka Souji picked up the unconscious Illya.

Using the spatial coordinates left at Ryudong Temple by the "power of time travel", he instantly returned to Ryudong Temple.

Otosaka Souji, carrying Illya, found Caster.

"Medea, the Lesser Grail is in her heart."

"I hope you can retrieve the Lesser Grail safely without harming its life."

Medea felt that Otosaka Souji's request was no big deal.

"Not harming their lives is a simple matter for me."

"Leave her to me."

Medea took Illya from Otosaka Souji.

Then Medea turned around and carried Illya into her magic workshop.

This was the last time I was visited, back when it was Matou Sakura's turn.

Medea placed Ilya on her operating table, preparing to remove the Lesser Grail.

A short while later, Medea took out the small Holy Grail.

Ilya's heart was also repaired by Medea's divine magic.

Seeing Illya lying peacefully on the operating table, Otosaka Souji felt relieved.

After all, Otosaka Souji didn't want to kill Emiya Shirou's sister for the sake of the Lesser Grail.

Despite her youthful appearance, Illyasviel von Einzbern is actually eighteen years old.

He's a little older than Emiya Shirou.

However, due to being imprisoned for a long time at the Einzbern headquarters by the head of the Einzbern family, Jubstakheit von Einzbern, his mind was not mature.

Ilya has lived in the snow-covered city of Einzbern since childhood, the headquarters of Einzbern.

Both her body and mind remained as they were when she had just parted ways with Kiritsugu Emiya.

However, the head of the Einzbern family, Jubstakheit von Einzbern, was also a homunculus.

Jubstakheit von Einzbern was the culmination of the entire Einzbern family line.

She was also the creator of Irisviel von Einzbern.

Irisviel was created by Jubstakheit von Einzbern to recreate the Winter Saint Justessa and the Third Law, "Soul Materialization".

However, Irisviel was taken by that beast Kiritsugu Emiya right after she was born.

Although Irisviel has the body of an adult, she is less than three years old and still has the mind of a young girl.

It can only be said that he truly lives up to his name, Kiritsugu Emiya, just like Tokiomi Tohsaka, both being beasts.

My lovely wife is only three years old, how could you do that!

"Master, this is the Lesser Holy Grail."

Medea carefully handed a small, golden cup to Otosaka Souji.

Otosaka Souji took the small Holy Grail from Medea and weighed it in his hand.

"Is this the Lesser Grail?"

"It doesn't seem to have anything special about it."

Medea then explained.

"The Lesser Grail is the key used to open the Greater Grail."

"It can not only contain the spirits of deceased Servants, but also store a large amount of magical power, forming magical power crystals."

"If you carry it with you, it's like having a rich source of magic."

After hearing Madia's explanation, Otosaka Souji was a little surprised.

Otosaka Souji thought the Lesser Grail was just a key to unlock the Greater Grail, never imagining it would have other uses.

"According to what you're saying..."

"This little cup is actually quite useful."

It can not only store spirits, but also store magic power, forming magic crystals.

Wouldn't that make it a magical tool with the dual properties of collecting souls and storing magic power?

"Master, now we can open the Holy Grail."

"Wait a minute, let me call Assassin back first."

——————

“Gilgamesh, it was your mistake to mistake me for an assassin.”

"Noble Phantasm Unleashed".

"Starlight Sword! Red, white, and black should all dissipate, but this must be kept a secret from everyone~ 'Nameless~ Victory Sword' (Ex~calibur)"

"No matter what it is, I will cut it down with my blade."

Although the Mysterious Heroine X's "Nameless - Sword of Victory" cannot fire a beam cannon, it is entangled by the beam cannon.

The simple yet contradictory dual-wielding style is revived in the hands of the mysterious heroine X.

The inability to control her power confirms that the mysterious heroine X is no ordinary person.

Only in the moment when light and darkness intersect can one witness the strongest form.

"Oh ho, this is interesting."

Gilgamesh no longer looked relaxed; the mysterious heroine X's Noble Phantasm made him feel threatened.

With a serious expression, Gilgamesh retrieved the "Small World Encircling the Heavens" and the "Seven Rings of Blazing Heaven" from the Royal Treasury.

The "Seven-Layered Heavenly Ring" has seven layers, each of which is equivalent to a city wall.

The defensive artifact, "The Small World Surrounding the Sky," contains an entire small world within it.

The Chrysanthemum Shield unleashed two extremely defensive Noble Phantasms: "Sevenfold Ring of Blazing Heaven" and "Small World Encircling the Sky".

The mysterious heroine X's Noble Phantasm, "Nameless - Sword of Victory," was also blocked.

However, its powerful force still broke through the seven layers of defense of the "Seven Rings of Blazing Heaven" and left a crack on the shield of the "Small World Surrounding the Sky".

"What! It was actually blocked!"

"This shield is incredibly tough!"

The mysterious heroine X had already mentally prepared herself for the possibility that her Noble Phantasm had been blocked.

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