I am OK with the huge hit points we dont have to do the bloody math thats what a computer is for.
Well the human brain is quite good with counting to 10. Counting to 20 is possible. Counting over 100 is difficult and need training. Bigger numbers less chance to be understand meaning and possible result. Theretofore for better understanding game mechanic is wise to keep numbers low. Or, you have wonky game mechanic so put on a huge numbers, so only few users get noticed flaws. :-]
Check the a mainstream chinese mmo, milions of HP are quite common. Does anyone know how the bonuses and spells works? Nah, smash the keyboard fast as you can, everyone does.
