Elian was sweating. Not just because he was standing next to a sea of lava in the Nether, but because his latest build—a super-smelter capable of handling thousands of ores an hour—was overheating. In the modded world he inhabited, energy was easy, but heat management was the bottleneck.
Mojang has never added Quicksilver to the base game, likely because: minecraft quicksilver
Pass through solid blocks or run vertically. Elian was sweating
Elian grabbed his pickaxe. He wasn't heading to the Extreme Hills for Emeralds. He was diving deep into the Swamp biome. In this version of the world, Quicksilver spawned in small, rare clusters deep underground, usually near water. energy was easy