vemerion

The MagmaBlock class does something similar to what you want your banana peel block to do, so you should look at that. Hint: onEntityWalk() function. By the way, on this part of the forum you should only post questions related to the ForgeGradle system.

To receive events from forge, you use the "@SubscribeEvent" annotation. You can see an example of it from the tutorial you linked here.

Hi! I don't know about void fog specifically, but you could use the FogDensity and FogColors events to emulate the void fog effect.