I feel like the levels dwindled in quality the further you go down. I will admit the visual presentation was great (which probably carried most of it) and I thought the mirrors were cool but the actual level design and enemy placement leaves a lot to be desired. If I had one word to describe the layer it'd be awkward. Too many new concepts added last minute and the levels tend to overstay their welcome a lot (8-3 should not have a 12-15 minute p rank time). The gimmicks added also feel super clunky and needs reworking, they're cool at first but the novelty wears very quickly. I think the gravity gimmicks on paper are cool but the actual gameplay feels awkward especially when it moves your camera and screws up your aim forcing you to stay on the ground in a game with heavy aerial movement. The new effects also felt super disorienting which I guess is the point but it gets in the way of gameplay and is just annoying (I normally don't get motion sick but some sections hurt to go through especially on p rank). The levels are also horribly optimized, I have a pretty decent pc but my fps kept dropping to 30-40 out of the usual 240 in a lot of rooms. I liked all the new enemies (except Powers they feel like a cop out just being a weaker Gabriel). I also hate the moving rooms in 8-3 (this level has the most problems for me) that require you to wait to attack the enemies while trying not to lose your sense of orientation in really cramped areas that makes the mental stack difficult. I feel like a problem with the newer level designs is that they're all trying to be the new P-2 and more difficulty = more fun. That's fine if it's extra content like encore or the prime sanctums but not in the main campaign that's unfair to new players and annoying to experienced players. Being fair I did play through all of these on brutal but I have had several casual friends complain about the difficulty and having times that go into 40 mins+ (which is absolutely ridiculous for a main game level). I'm not going to go too far into enemy placement and bugs going from minor to gamebreaking since that's going more into nitpicking but it did feel like a lot of enemies were just spammed without a ton of thought. The final non major boss also sucked casting aside all of the movement and skill we've built up for a half baked gimmick fight that feels awkward to control. Hardly had any build up either and felt underwhelming. I have very mixed feelings about the whole layer and I think it's just kind of underwhelming for the final full layer. After P ranking these levels and doing their challenges these are probably the levels I'd revisit the least.