But there was nothing they could do.
The other party had already left.
"Rin, you have the Jeweled Sword now. If you summon him, there shouldn't be a problem, right? With the Jeweled Sword supplying energy, it shouldn't matter even without the Greater Grail or a Ley Line to sustain him. Even if he isn't a companion in the Holy Grail War, summoning him as something like a familiar should be fine."
White made a suggestion.
"Forget it. True, it's not impossible to summon that guy again, but even if he were summoned, he probably wouldn't have his memories. He'd be a familiar stranger."
Rin still wanted to speak with Red A.
But Red A's situation was somewhat different.
Although Heroic Spirits could be summoned again after dying, they did not retain their previous memories.
"Actually, Heroic Spirits themselves remember every memory of meeting us," White explained. "It's just that those memories can't be brought down from the Heroic Spirit Throne."
After saying that, White looked at Illya again.
Illya nodded.
—Red A's soul was still here.
"So, we preserved those memories externally. When summoning a Servant, we can load those memories into them. That solves the problem," White said.
"You can load memories from outside? That's possible?!" Rin Tohsaka was stunned. "But even with those memories, wouldn't they still not count as the same person...?"
"No. The external memories exist to make it easier for Servants to resonate with the records of their own Heroic Spirit. It's more like helping them 'remember' what happened."
It was not simply an external memory.
It used external memories to awaken memories that Servants originally could not bring down from the Heroic Spirit Throne.
[What does that mean? Someone explain.]
[Heroic Spirits themselves exist across all worldlines, so when they're on the Throne,