Magmatic zone

This zone would be under deepslate ,The stone there would be harder to mine harder than deepslate itself,There would also be lava there all throughout the area.As well as a new block which is unobtainable in survival in your inventory without creative ,Fumes these would push you up instead of magma block it doesn't need water.there would also me magmatic ores and such.The y level would be increased to -100 to add the zone.the magmatic zone would start generating at y -65.