I don't mind Reika's traits, but how she's depicted. I don't need her to be girly or even feminine.
My problem is that she's just a tool. While she's cunning and manipulative, ultimately, it's just "Master Logos" this and "Brother" that.

Watching her feels like I'm watching a less interesting version of Blades' literal character arc. Choosing between the Guild and what she feels is right, except she only begins to feel the slightest bit of doubt 20 episodes later than she should have.

Well, does this really only apply to her? At this point in the show, all antagonists are just tools of the Master Logos. Even Kamijo and Kento unconsciously helped him..

Ah, you?ve passed my favorite moment in the whole series: the shot where someone asked the set design crew to make a hotel hallway look more like a Sword of Logos base so they taped a piece of office paper with ?Sword of Logos? written on it to the wall. I will never stop loving how hilariously low effort that was.

Reika isn't so awful in the post-show content, but I find her totally insufferable in the show. And I'm one of the few people who otherwise enjoyed Saber.

Oh, I replied like that before in response to you mentioning her as "horrible person" part. Didn't know if your complaint is different in her being a tool (this sounds similar to Yua from Zero-One instead, though Reika never got this unlike Yua). Well I guess this is lowkey related to her being her brothers' "simp" as well to blindly follow anything he does, like below.

Ryoga IS kinda the evil counterpart of Rintaro. Ryoga follows orders without question, blindly believes that Master Logos will is inherently just and doubt is weakness, making him someone who is subservient and can't be reasoned or bargained with. Rintaro cares about SoL for the principles it stands for, so SoL's actions would conflict with his conscience when their work don't fit for what he stands for, it's a contradiction to think that having no doubt is the same as believing more.

So, quick question. How did Kento get the Sword of Darkness, anyway? I know this was like, 20 episodes ago, but it was something that came to mind. Reika stole it when Daichi died, and then a few episodes later...Kento just appeared with them as Calibur.

Anywho, Got to Xross Saber. Not the biggest fan of the minimalist style changes for the final form. The metallic blue sheen looks nice and gives it a nice space vibe, but as far as final forms go, I'm not in love.
So, he just has all the powers, huh? Kind of undermines the whole "We did it" thing when that's what the upgrade provides, but okay :lol

Also, Ren is annoying. Why did people want him to come back, again?

Kento was imprisoned in a sword that showed him options for the future. And when Kento chose the fate of Calibur, Kurayami let him go.

As far as I remember, he did not receive all the powers, but temporarily borrows them from other swordsmen. So the unification of all riders (well, or elimination, as in the case of Falchion) is necessary, because without it Xross Saber cannot be assembled.

This will become clearer in the future. But if you hint: Revice and Zeronos.

Kento was sealed himself inside the Ankokuken Kurayami in his last seen moments, he disappeared to darkness.

I'd think Xross Saber is one of the better final form debuts, fighting wise, and so far would be my favorite for Reiwa's, still edging Geats IX's by a bit. Where the fight shows off its power in a flashy and complete way. Solomon uses Arthur's sword is simply his choice, as he reveals more of what he can do with his power such as summoning robots which gets overwhelmed by Xross Saber.

Ren is the more morally grey/anti-heroic one among the good guys due to his negative traits, but his traits is displayed in a bratty, immature, and childish type, like Nico from Ex-Aid.

A'ight, finished Saber. Took me 3 attempts, but I finally did :lol

This show honestly felt like someone said "Git gud" and Saber responded "Okay." The beginning is such a slog, with annoying characters, a world that makes no sense, and Luna being sucked through a portal constantly.
I feel the reveal of Calibur's true identity was the point where things finally started getting interesting, as the story at large now ties directly to Touma. They also ditched the amnesia plot around this point as well, having Touma finally remember what happened, which was nice as those flashbacks were incredibly repetitive, literally using the same footage several episodes in a row.

I know people like him, but Kento was kind of a drag for me. Him being super angsty about his father's betrayal makes sense, but made him super one note and uninteresting. This shouldn't be the case, as he's a vital part of Touma's backstory. It also doesn't help that after he "Died," the first interesting arc of the series began, making the noticeable quality leap while he was gone feel like he was holding things back :lol

Also during this arc, I wish Blades had an all out brawl against Saber. I mean, I'm glad they resolved things with a conversation, but c'mon. Lead Riders fighting Secondaries is a tradition now.

Anyway, something I'm surprised at is how Falchion was actually a relevant character. Movie Riders are rarely mentioned in show (And if they are, it's in a brief flashback to their defeat, like Bikiser in Build), so for him to not only show up, but be an important character for several episodes was a nice surprise.
(I still have no idea why his sword deus ex machina'd it's way to smack Storius in the final fight, though)

I wish Ren and Desast's story was expanded upon more. I probably would've come to like Ren if they did so.
Other characters were alright. I do quite like Ogami and Daishinji. Otherwise, they were just okay.

Saber is a show that I can finally understand why people like, but I'm not gonna hold it against anyone who, like me, can't make it past those first 10 episodes, because ooph, they're rough.

Tradition? They specifically break it in Saber especially with the debut of Rintaro seemingly hostile and creepy, where it's due to his lack of social skills rather than animosity instead.

T̶h̶o̶u̶g̶h̶ ̶s̶i̶n̶c̶e̶ ̶t̶h̶e̶n̶,̶ ̶t̶h̶e̶r̶e̶'̶s̶ ̶i̶n̶i̶t̶i̶a̶l̶l̶y̶ ̶n̶i̶c̶e̶ ̶s̶e̶c̶o̶n̶d̶a̶r̶i̶e̶s̶ ̶3̶ ̶t̶i̶m̶e̶s̶ ̶i̶n̶ ̶a̶ ̶r̶o̶w̶ ̶R̶e̶i̶w̶a̶ ̶d̶i̶d̶;̶ ̶R̶i̶n̶t̶a̶r̶o̶,̶ ̶D̶a̶i̶j̶i̶,̶ ̶a̶n̶d̶ ̶K̶e̶i̶w̶a̶.̶

Kento had IMO the best heel turn process among the ones done in Reiwa... though it also had his heroic stint at that time being so standard and dim (just felt like "guy who fights in the protagonist side" who at one point is consumed by revenge). Albeit at the end he does 'imitate' Touma's deeds.