I think this was on West. Maybe what we can do is make it to where rocks fall down every now and then and it causes your character to take damage.
How it works:
Every 2 mins - 3.5 mins rocks will fall down (Keep in mind, this time is different for every other player). Every time rocks fall down your character takes 5 damage. The animation you'll have is just like any other when you get damaged. This animation and damage will affect every player using macros and make it nearly impossible for them to do it anymore.
What are your thoughts on this? Let me know
Doesn't this already happen on iEra?
I started mining a few days ago and after maybe an hour I got an on-screen alert telling me that I had 60 seconds to escape the mine or else it would collapse on top of me.