1:increase exp gain from monsters depending on their level. 6 exp for level 1 12 exp for level 2 etc etc etc.
2: increase ammount of exp requiered to level up. level 1 50 exp level 2 100 exp etc etc etc
random advertizer: here's god with a pencil! god: so the pencil is my weapon and... crowd: hahahahahaha random advertizer: that's the end of humileate god in front of 1k people while makeing millons of dollars.
made up a boss name gym teacher health 10 damage 10 speed 10 but health damage and speed get increased by 10 per second. drops 1000 fish and a gym membership card which slices gym costs in half. beat game to fight