Describe the feature you have in mind.

An option in config that made mobs inside the radius burn (with green fire?) a la this mod by serilum or be repelled like the interdiction torch from Reliquary. Thank you so much!

Does this solve a particular problem?

I am developing a pack where a brazier at spawn provides a safe space for players to spawn, while daylightmobs makes mobs spawn everywhere else. The problem is that mobs continue to wander in to the safe space no matter what. This could potentially be an issue with daylightmobs or incontrol, but as a stopgap, i think this feature would make having a genuinely mob-free place easier. would likely be off by default, but have an option in config to turn it on. Thanks!