Caves & Cliffs: Darker Depths

Here’s an idea to make the deeper depths of the world more scary, immersive, dangerous, and intuitive. As the title suggests, if the player descends far enough, for example, below Y: 0, the intensity of light emission is drastically reduced, let’s say 50% or more, maybe including skylight as well. With this the player will need to expend more resources to light up their path and to reduce mob spawning. However as a remedy to the relentless shadows, light sources generated from soul fire, (ex. Soul Torch, Soul Lantern, Soul Campfire, Soul Fire, exc.) will ignore the drawback of the light emission reduction and will function as normal, and the reason for this idea is to create a progression system to encourage the player to delve into the blazing nether to collect soul sand as a higher tiered resource before delving deeper into the caves to lengthen time and efficiency and reduce over-world resource quantities.