"Tell your Master who you are—Saber's true name? A Servant's true identity is meant to be concealed. It's like hiding your ultimate move and your weaknesses.
For example, Saber was based on the king from English legend, the leader of the Knights of the Round Table—King Arthur. The sword-wielding Heroic Spirit who formed a contract with Shirou was a beautiful young girl with brilliant golden hair and deep green eyes.
She came to the modern world for only one purpose: to obtain the Holy Grail and return to ancient Britain, passing the throne on to the next generation. The Noble Phantasm installed within Shirou's body was Saber's once-lost scabbard, 'Avalon.' Thus, even injuries that brought her close to death could be fully healed.
Back then, Kiritsugu had placed the conceptual armament Avalon inside Shirou's body in order to save him.
During her battle with the Hero King, she used Avalon to successfully block the Hero King's EA. Since it was the paradise King Arthur reached after her death in legend, not even the Five True Magics could interfere with it.
"Okay, but why?"
"I'll tell you later."
"Okay."
"Still, I'm not a particularly famous figure. Compared to Berserker, I'm several levels below him. Even if you know, it won't be of much use."
"Artoria Pendragon, you're an extraordinary hero," Lin Yan said. "Actually, you don't need to worry about anything. Whatever you want, I'll give it to you from behind me. If there isn't any, then we'll take it."
"You... know? There's really nothing to hide. I just feel that I'm too insignificant. Someone with strength like mine doesn't deserve..."
Looking at the self-conscious Saber, Lin Yan interrupted her for the first time. Whether emotionally or realistically, Saber was already more than outstanding enough.
"You deserve it! You're already excellent.