biome forms when Holy Water or Hallowed Seeds spread the Hallow to a desert. It replaces sand with Pearlsand, and normal cacti with blue-green cacti. The blue-green cacti is the same as normal cacti, just with different colors. Light Mummies will spawn in the Hallowed Desert if it contains enough Pearlsand, and will sometimes drop a Light Shard upon death. This biome can only form after you kill the Wall of Flesh and activated Hardmode.The Hallowed Desert
750 pearlsand is enough to spawn Light Mummies, you can create your own hallowed desert if you are aware of this.
- Light Shard, which is a drop from a Light Mummy, can be used to make the Dao of Pow.
- There is also a Corrupt Desert
- Added to the game.