maxing sword guy for first dungeon and maxing archer for 2nd seems to work pretty well but i never really realized healers thing since it would get oneshot by mage guys in floor 15-17 since i would neglect their upgrades since i cant get too much money because no difficulty but thats cuz demo so its fine. an upgrade for chests to open by themselves would be good since while i was playing for max upgrades for everything i would kill the room too quickly for the chest to fully open and drop the 50 billion coins