I'm not sure if ImmersiveMC handles waves for spawning the Warden. Need to look into what things in vanilla cause it, and go from there if not already done by ImmersiveMC

You can find the sounds here, by the way:
https://minecraft.wiki/w/Sculk_Sensor#Vibration_frequencies

Also, I'm not sure what you mean by "waves for spawning the warden". What exactly is going to be implemented?

I'm aware of where to find the resources, but thank you.

I need to investigate whether or not ImmersiveMC matches vanilla behavior of triggering the vibrations for sculk sensors/wardens, and if not, implement that.