We all know the walls are the worst part of WD. Max of 4000 damage is bad because it does not matter how strong you are. I suggest a few things. Still using health, allow us to Power Attack walls for x5 damage. Maybe increase the max damage we can deal to walls. Another cool thing would be a separate stat just for hitting walls or the best option, introduce a boost that allows us to deal more wall damage without needed to change much. Something like 10% more Wall Damage.
Would love to hear more on this. I can't be the only one who finds hitting LV 15 walls as annoying.