There are two primary ways of getting Shimmer in "Terraria," with the first being to visit the game's Aether biome. You can find this biome in the Cavern layer on the side of the world with the Jungle ...

If you're exploring the caves of Terraria, chances are you'll come across lava, and if you get down to the Hell biome, the place is absolutely full of it. There are massive lakes of lava ...