Played it over the last week, I'm in the middle of NG++ (a bit under 55 hours I think ?).
Here are my thoughts on some aspects of the game :
-All Elemental types being tied to one stat only is a good and a bad thing, good because I enjoy using elemental weapons so I could use all three elements with only one build compare to DS/ER but bad because I can just be "super effective" with only one build against everybody.
-The Cube seems worthless if you do not use the Specter, the non-Specter Wishstones effects are pretty awful and having to buy the stones is a really weird decision when the Special Grindstones have stronger effects, take less time to activate and are one time buy. (Didn't use Specter so maybe those whishtones are also bad)
-The weapon scaling is weird and feel almost useless with how low the stat caps are and the fact that they add new P-Organ in NG+ and NG++, meaning that they probably want you to play/try at least those two NG. At the beginning of the game it matters a bit, in the middle it's the most important, in the end it starts to be less important and in NG+ it's completely worthless and you go : "Does my Handle scales with Advance ? If yes use Advance Crank, else go for the Crank that push you toward the most balance between Mot/Tech." It would have been better to have stat caps be higher or the scaling of the weapon to be a lot more impactful when you go up a tier.
-For the love of god, don't name a status effect Electric Shock and another one Shock, especially when the one named Shock doesn't appear until the last area (at least I don't think I've been hit with it before the Door Guardian). So you go all the game thinking that the Shock resistance in the Cartridge is for Electric Shock and you just took a shortcut when spelling it in the item description. Talking about status effect, Shock and Break are so rare I don't even know why they are a thing to begin with, Shock seemed to have been design exclusively to make the Door Guardian mini-boss even more of a slog than it already is.
-Assembling weapon is fun, I really like that, except for the 6 Elemental Blades that I use with the same handle, I matched all but 2 of the Blades with other non-Advance Handles to make weapon I like visually with how their moveset are.
-Legion arms are cool, even if I think the first one is the best by a huge margin in 95% of the game, even more so in NG+ and beyond. The worst one is probably the Flamberge (Fire) which is sad because it's my favorite looking one.
-A lot of mini-bosses or "elite" enemies give me more trouble than almost all of the bosses, I don't know if they nerfed those like they nerfed the bosses compare to release, but that's weird to me with how often it happens.
-Romeo warning you about Geppetto with the cutscene before his fight is brilliant.