acsened mobs

I keep track of my kills noticed that to pop them u have to kill almost double and was getting 3 sack of stones now only 2 is there a method behind SE thinking on that I don't farm t nm for stones and think it is wrong to be forced to fight them shiva sever is cool been on game from us release of it and it is said how u develop a game it goes good then screw it up need to fix pop rate of mobs to were they were and amount of sacks to this is why people quit this game screw-ups tyvm fireking:mad: