Mila is super fun, yeah.
3D definitely lacks in the visual impact compared to some good 2D sprites. But while the impact of the hit may be less so, at least in DoA if the attack looks like it should hit, it hits. God knows I can't say that about SFV.
The DLC is absolutely outrageous, yeah, but the insane "pay through the nose for basically nothing" is pretty normal for Koei Tecmo.
Really goes to show how much Nintendo's influence / patronage means that Hyrule Warriors ended up with DLC that had so much value per buck.
3D fighters and 3D modeled fighting games can have impact like Tekken, a 3D fighter, and KoF XIV and SFV, 2D fighters using 3D models, all have that feel of hits look and feel like painful hits. Smash is a no-brainer since it's knockback-focused and Guilty Gear Xrd is a special case since it's using 3D models, but is done in a way to emulate 2D. Some games kind of don't have that like Mortal Kombat and by proxy, Injustice, looks like a slapfight at times. This is pretty much all down to presentation and not MK and Injustice are trying to be a bit realistic like MMA fighting games since not all hits should send you flying or reeling that hard. It's like when you watch old martial arts films like Drunken Master, you can see and hear the impact even if it's not that hard like quick strikes still have a feeling of that's going to hurt.
This video is about film, an analysis of Jackie Chan's action comedy, but some of it applies:
https://www.youtube.com/watch?v=Z1PCtIaM_GQ.
That being said, none of this should detract someone from playing a game. None of this makes games bad i.e. Mortal Kombat not having the impact of Tekken, SFV, etc., doesn't make it a bad game (to me). Personally, I just like the feel of impact. It's what makes me like Battlefield, DMC, KoF, SFV, etc. more than God of War, Mortal Kombat, etc., because of the impact whether it's aural and visual or one or the other like Battlefield's sound design is booming compared to Call of Duty -- not sure on the new games. It's idiosyncratic too e.g. I like one gun more in BF just because it sounds better than the other even if the other is technically better. Shotguns. I will use a shotgun on a long-range map just because I can and because it sounds awesome. There are extreme cases, though, where it can make games bad like too little impact leading to too little hit stun. I think it was Technomancer that had this problem from what I saw and heard a player say where not only did hits look weak regardless of what they were, but they were weak, so combat was just terrible.
Jittery movement in Tekken is weird. Game looks great and then you see characters spazzing out. Sure... that's normal which it is, but I wished there was smoother transitions. Oh, and some idle animations like Steve's could be changed a bit... Please, Steve, slow down. I know head movement is good and all, but slow down.