Unable to Change the Facts

----"There's still time."

It was such a simple sentence, yet the air instantly seemed to grow heavy, pressing down on everyone's heart.

Luo Zhen tightened his clenched fist more and more, then finally relaxed it.

There was nothing he could do.

"Mashu was bound to face this day sooner or later. You should have known that."

Roman spoke in a voice that had crushed every emotion, leaving Luo Zhen silent.

Mashu Kyrielight.

Luo Zhen truly knew this girl very well.

For example, Mashu had been a test subject in Number Six's experiment in Chaldea, placed there to become a Pseudo-Servant.

Normally, when humans summoned Heroic Spirits, they used a Holy Relic connected to that Heroic Spirit as a catalyst, thereby making the summoning succeed.

However, in order to obtain the power of absolutely obedient Heroic Spirits, Chaldea had once used human children as catalysts, summoning Heroic Spirits into their bodies and fusing humans with Heroic Spirits to create beings known as Pseudo-Servants.

Mashu was the product of that experiment—the child used to summon and fuse with a Heroic Spirit.

But even if one could successfully summon a Heroic Spirit, how could a human and a Heroic Spirit be made one?

If obtaining the power of a Heroic Spirit were that simple, Heroic Spirit Summoning would not be such a rare and extraordinary miracle.

At the very least, the subject being fused with the Heroic Spirit had to possess an extremely compatible aptitude.

For example, they might need to possess Magic Circuits corresponding to the Heroic Spirit they were meant to fuse with.

However, every person's Magic Circuits were unique. How could anyone coincidentally possess Magic Circuits corresponding to a hero who had once existed in history or mythology?

Even if such a person existed, how could they be found among