Simply put, Saber is an otaku. Despite being ethnically Japanese herself she really loves Japan as if it were a foreign culture, going out of her way to sprinkle Japanese phrases and exclamations into her speech even when speaking English. She's very passionate, cheerful and has a strong sense of justice, but is also a bit of an idiot and tends to rush into situations without thinking. Despite her ditzy behavior, Saber is a devote Christian and has a strong sense of honor which she'd never break, even under the force of a Command Seal.
Being an otaku, it doesn't take long for Saber to grow fond of modern Japanese pop culture like video games and anime when summoned into the present day. In her free time she can often be found watching and playing such works, taking inspiration for new techniques and special attack names and whatnot. She also has a soft spot for old-fashioned samurai movies.
As both a samurai and a Christian, Saber is quite open-minded. She's willing to accept people of all kinds of differing backgrounds and beliefs, eagerly offering to hear out their life stories. However, Saber can't tolerate anyone who goes against her sense of justice, which is those who persecute the innocent and defenseless to benefit themselves. She'll strike down any such people without hesitation.
Saber's wish on the Holy Grail is to rewrite history so Ieyasu never outlawed Christianity in Japan, so she was never forced to accept exile instead of abandoning her faith. While as a Christian Saber harbors no regrets for her life or choices, as a samurai she wishes she could've been able to fight by her lord and the country she loved to the very end.
"What I like? Well, everything Japanese is a must! Anime, manga, video games... it's all sugoi great! Eh, h-hentai? I don't know what you're talking about Master. A pure samurai like me shouldn't know about things like that..."
"What I dislike? Evildoers of course! That's what a Seigi-No-Mikata samurai should say, right? But more than anything, I can't stand people who try to stop others from living out their faiths and beliefs freely. Even more than my honor as a samurai, my faith as a Christian is the most important thing for me, and others' religions are the same way for them. I can't imagine just forcing someone to throw away their most cherished convictions like that..."
"The things I'm best at? Everything important for a samurai, obviously! Striking down evil, protecting the innocent, striking flashy poses and calling out your special attacks... eh, what do you mean that last part isn't what samurai do?"
Bond Lines:
Lvl 1: "Ohayou gozaimazu. The samurai of justice, Saber-sama, has come forth! Allow me to gain victory by your honor, daimyo-san."
Lvl 2: "Eh? You think the way I speak is weird, daimyo-san? But Japanese is the greatest language in the world! It only makes sense I'd try to speak it whenever possible..."
Lvl 3: "I know my birth name was Hikegoro Shigetomo... but Dom Justo is the name carved into my soul! Please call me that instead, daimyo-san."
Lvl 4: "You think I'm a little
, I get that. But I promise as long as I'm alive this body will serve as your sword, daimyo-san. You're not thinking of abandoning me, right?
Lvl 5: "I don't have any regrets in my life, but... I wish I could've fought for the country I loved until my last breath instead of having to retreat in disgrace. So I can make up for that, please let me fight by your side to the end, okay daimyo-san?"
Attitude to her Master
Saber refers to her Master as her
and is very loyal towards them. She'd gladly fight and die for her Master if ordered. However, this loyalty coexists with Saber's deep honor and faith. She'd never follow a command that goes against her sense of honor, like killing innocents or using surprise attacks. If she's summoned by an evil Master Saber will try to cut them down even if it means disappearing from the World herself.
Relationships/Reactions
Oda Nobunaga:
"! Even though I served under the infamous demon king in life, I was always uneasy around him. Such a dark and devilish vibe... it's just like the main villain from an anime or video game! Also, what do you mean he was actually a girl? Bakana! How the Jigoku did I never notice then?!?"
Arturia Pendragon:
"Ah, a great king from foreign lands arrives to face me. The East versus the West... let's see whose swordsmanship is unrivalled under heaven!"
Tomoe Gozen:
"You like video games too? That settles it then. Let's have a match-up, game of your choice!"
Amakusa:
"I understand your faith, really I do. But forcing your convictions on other people like this is just wrong!"
Martha:
"Such ferocity. S-so this is what the maiden who attended Jesus is like? Sugoi kakkoi! Y-you don't mind if I call you sempai, do you?"
Shuten-Doji:
"E-ecchi! That outfit is so skimpy, you look like a character from a hentai or something. ...N-not that I'd know anything about that, of course!"
Nero:
"You'll pay for all the Christians you slaughtered, vile harlot! My sword of justice will strike you down! ...What do you mean you didn't do it?"