I very much like the feeling of "Resource dwindling" dread. "Oh shit, I'm so deep into the dungeon, and I have no way to heal myself, how will I make it?".
It sounds like some of the areas will accomplish that. Looking forward to it
more like
'oh shit, do i use one of the 100 healing potions i've hoarded?
nah, i can make it, 3 hp left on all dudes are still good enough odds'