To build on what you said if I can ...
I just finished the full game and found basically the same things. I kept notes as I was playing and wrote several similar thoughts:
- It's too easy to get stuck on corners
- The auto-firing things in the room should have a tell when they're about to fire
- Sometimes when spawning on a new floor by the time I figure out where I am, I'm hit / dead
- The powered up spinning move should be triggerable instead of automatic. A few times I'd trigger it, go berserk, then come out of the tornado in spikes and die. Horseshit.
- Cure & heal spell effects seem backwards to me (I know that's an old Final Fantasy(?) trope but still.) Minor but noted.
- Option to disable or least turn down the background music (it's fine but gets repetitive after a bit)
- Mark on the map if there is something of interest like a merchant or spell or something
- Several of these later floors are just empty
- Final boss way too easy since you can just buy your way to being badass.
I had a lot of fun with the game, I think it needs some tweaks to be really great. I really like the randomized floors, keeps it fresh. Great work!