200-500m an hour at revs?what the fuck did you smoke
Your suggestion for revs is ridiculius. With those update it would just kill the entire red cave. Might aswell remove it at that point. What i would suggest instead is to make everyone who enters the cave skulled upon entering. This way, people will have limited gear options which would slow down the kills and statuettes dropped. And the fact that you're suggesting 1/100 drop rate for ballistas after suggesting 1/2100 drop rate for stattues is ridiculous.
