Gonna loosely discuss my opinion on the Arcade collab. This is your spoiler warning, 'cause today I don't feel like compressing stuff lol.

As an official Arcade collab, it was good. As an unofficial Fate/Last Encore collab, it was amazing. The start was rough, but the characters are very endearing and bounce off each other very well. If anything, I would say that female Merlin feels like she was somewhat shoehorned in because I didn't feel like her presence was as needed, but it wouldn't make sense for her to appear in a summer event and then not appear in a collaboration with what was essentially her source material, so I get it. Draco's personality is also a little rough, but still, she's a good heroine for the event, and the climax of everything felt very befitting for her. It was a lil overdramatic, very fitting for Emperor Nero.
Funnily enough, this collab made me understand Nero more. I was kinda eh about her earlier, mostly 'cause I'm not the biggest fan of her rivalry with Elizabeth (who incidentally I also find annoying). I think this is impressive, seeing as I haven't looked at her actual source material. 
Top points: Banter between Setanta (who is so cute) and Locusta (who is so funny). I keep seeing her as kinda a kid, but then I remember she's probably supposed to be a young adult and it becomes funnier that she's having beef with an actual child. Wonder how she'd deal with adult Cu. And then the end. The bond between a Master and Servant pretty much aligns with my preference for multiversal relationships holding constant, and even though I don't know anything about Hakuno and Nero really, I could see how significantly Hakuno cares for Saber. Even if Draco is a mere vestige of a possibility, they still will try their best to help her and find someone who can save her. It's really, really touching. And yes, I did cry lol. I couldn't help it. 
 
Criticisms: There is just so much potential between Tiamat and Nero that was mostly just thrown at us...and that I really wish was used better. I don't mind that it took Tiamat 'til the last second to change her mind, because she's stubborn like that and I know that she's stubborn like that, and also Beasts don't really get along and I get that as well. But the change of mindset didn't have as much oomph as I wished it would have had when it did come around. Maybe it could have been strengthened by exploring Tiamat's character more as well, like adding some of her mythology in and tying it to Nero's whole deal with Agrippina? If you think about it, they're pretty much opposites, and that's why I think they have so much potential. (Tiamat was murdered by her children, and Nero slowly poisoned to death by Agrippina [in Fate]. Plus historical Nero had people stab his mother to death on his own behalf, while Fate's Nero is implied to have directly murdered her herself. Idk, I might be crazy.) 
The start was also kinda...weird? I get that we needed to raise the stakes, but this is Chaldea, please. We have like 3 worldending disasters per week. Also in retrospect, I don't quite get why everything was so dire. Since Hakuno(n) ended up being the reason for why Draco and Fujimaru had to form a contract (as Draco wanted to die and summoned many Shadow Servants for this), why the heck was Chaldea so messed up? Did Hakuno do that, or did Draco? At the end everything is kinda just fine and this is unanswered, so here's my daily little problem with suspension of disbelief.

-Galaxian-

In other news, I heard that Devil May Cry got a Netflix animated series and Evanescence made a song for it
Awesome sauce, even though I don't really know much about Devil May Cry except for 2 Vergil memes (the chair and also "I am the storm that is approaching"...wait no nvm also child support memes. That's three.)
The Vergil memes are because of Fate Saitou btw. I'm not even totally sure why they were connected other than the coat? I can't recall anything chair-related.

-Galaxian-

Every time I see a heavy enemy I'm like, "You so fat you can't even be shifted by Mostima's 3rd skill"
Then she says, "Doctor..." and then I have to apologize.
Heavy enemies kinda annoying ngl. Visually, I mean. I don't use Shift operators that well. I peak at Ray S1 and occasionally some Shaw/Cliffheart/Rope usage

-Galaxian-

Btw the other day I realized that since the "same technique shouldn't work on a Saint twice," that means Milo never saw Galaxian Explosion, and Saga/Shaka/Shura never saw Tenbu Horin
Shaka's case makes sense, 'cause it feels like something that he would have refined as he grew up. But Saga's case is kinda,,, iffy,,, (reminder, I don't subscribe to the 100% good Saga theory)

But then that wouldn't hecking make sense, 'cause then only Seiya would've seen Galaxian Explosion and have been able to give a warning about it, compared to Shiryu...oh well

-Galaxian- 

I counted, Saga took 3 punches to the face and then was hit against the wall; Camus took 3 punches to the face and then was hit against the wall; but Shura only got shown getting hit upward

Angularly you can see that Saga was hit at a 90 degree angle and hit the wall sitting, while Camus...kinda just fell flat onto the ground after hitting the wall, meanwhile Shura's body contorted so that he fell facefirst onto the ground, and therefore more net force was exerted on Shura from whatever many punches there were to invert the angle of his body. 
Hidden grudge momento (I don't even blame him)

-Galaxian-

The 3 Gold Saints' dynamic is really just
Milo and Aiolia:
Mu: Do you see what I have to deal with. 

(Shaka avoids everyone except for Mu so he doesn't feel any sympathy at all)

-Galaxian-