After one of the factions had been slaughtered to the last, the remaining faction's members would turn on one another and fight until only one true victor remained.
To the rare genius Sajyou Manaka, this method was simply too inefficient.
"Those Heroic Spirits who disappear in despair, yet cannot become fuel for the Greater Grail... They're just too pitiful."
So, Sajyou Manaka had altered the Holy Grail War—
She would give the death of every Heroic Spirit meaning.
In other words.
Sajyou Manaka would offer the Greater Grail fourteen heroic souls, including the two Rulers—
In the end, only her beloved Saber and the Assassin willing to submit to her would remain.
That way, the amount of wish energy they could obtain would be twice the original.
They could fulfill more—or "greater wishes."
Before wish energy on that scale, even Semiramis's wish for "eternal life and eternal dominion" was utterly insignificant.
Semiramis believed Sajyou Manaka's plan was feasible.
If it was this girl, expanding the Grail's functions might not be impossible.
But what she could not understand was why Aika had chosen her.
Semiramis's wish was very simple and would not conflict with Aika's intentions.
As the de facto No. 2 of the Red faction, Semiramis could conveniently handle the Servants under her command while also stabbing her Master through the heart from behind when he let his guard down.
Those were all important reasons, but there should have been some decisive factor...
"Why choose Assassin?"
The girl tilted her head adorably, as if the question were absurdly simple.
"Hmm~ Because Assassin and I are very similar?"
"What?" The Empress clicked her tongue repeatedly.
She knew very well that the girl before her was some kind of being with the appearance of a cute little girl—
A being whom Tiamat's