Original concept, very well fit to the theme. Impressive that you made a whole dungeon generating system plus an AI to traverse it.
I feel like it is impossible to die if you just spam the three buttons. I stopped healing after 37 floors and survived until floor 54 with many healing items to spare.
Now these suggestions may be obvious but: I would suggest ramping up difficulty, a shop, and some more room for strategy behind when to use your items. (Also sound)