Could you make an option of stack limit in certain items? Thanks to the crowbar, I can one hit a boss with a stone shovel, A STONE SHOVEL! IN 64 STACKS!!!!!

Well this is not a bug. RoR items at high stacks do that even in the original game. Anyway I will make a config for changing the ammount of items stacked to increase the amplifier effect (eg: +1 level every x stacks). Currently is 4