I think add on yes but not the ones that help you not DIE that would make it easy then wouldnt it, especially the distance one.. you either learn the distance by fighting enough or you dont. I thgink it is like the UI stuff there talking about not the distance or % we already can see the mobs hp, if you got a percent that would detriment the game because at % is when the NMs or whatever do there moves and would be to easy to evade the death attack. navigating would be to easy too if you knew the distance of the mob for aggro, idk just my opinion. Lets not make the game easy