Improved Mining - GalaxyDeveloper/ExtremeSurvival GitHub Wiki
##Improved Mining
In ExtremeSurvival the difficulty in mining is greatly increased, although it is still in alpha, you have to pay attention to whats around you and what your mining!
###Softening Stone
Upon hitting a block of smooth stone, there is a 40% chance of it turning into a block of cobblestone, which can fall in this plugin.