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BiomeBannerUnderworld





The Underworld is an area in Terraria. It spawns below the Deep Underground layer, all throughout the map. It is comprised mainly of Ash Blocks, and is the only place where Hellstone spawns. In addition, Lava is plentiful here. Shadow Chests and Underworld Houses spawn here as well.

Monsters

Pre-Hardmode 

  • Small Lava bat
  • Guide Demon
  • Cursed Demon (Very rare)

Hardmode