The Hallow

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See also: Underground Hallow

The Hallow is a Hardmode surface biome. It is characterized by pastel-colored fairytale graphics, with cyan-colored grass, multicolored trees, and a large rainbow in the background, as well as similarly whimsical-looking (though dangerous) enemies. The Underground Hallow biome can be found directly beneath a naturally-generated Hallow biome.

The Hallow does not exist in newly-generated worlds. It is generated along with a large Underground Hallow biome when the Wall of Flesh is defeated for the first time and the world converts to Hardmode. Once generated, Hallow spreads in a manner similar to Corruption or Crimson. Pearlstone, Pearlsand, and dirt blocks growing Hallowed grass will spread Hallow to neighboring blocks, causing Hallow enemies to spawn over ever-larger areas. Hallow can also be seeded in new areas via Hallowed Seeds, Holy Water, or Blue Solution.

The Hallow is the only environment through which the Corruption and Crimson cannot spread at all, apart from the initial Hardmode conversion that takes place when the Wall of Flesh is defeated. Hallow also cannot spread through mud biomes like Jungles or Mushroom Biomes (unlike Corruption/Crimson, which can convert those blocks).

The Dryad can tell the player the percentage of Hallow and Corruption/Crimson in the world.

Contents[edit | edit source]

NOTE : View Underground Hallow for the mobs that spawn under the cavern layer.

The Hallow
Characters Unique Drops For Sale
Pixie.png Pixie
Unicorn.png Unicorn

During Rain:

Rainbow Slime.png Rainbow

At night:

Gastropod.png Gastropod

Hallowed Desert:

Light Mummy.png Light Mummy
Spectral Mummy.png Spectral Mummy
Mobile only.pngConsole only.png

Hallowed Underground DesertPc only.png:

Dreamer Ghoul.png Dreamer Ghoul


Lightning Bug.png Lightning Bug

From any enemy:
Hallowed Key.png Hallowed Key
(1/2500 chance) Pc only.png
Hallowed Key Mold.png Hallowed Key Mold
(1/2500 chance) Console only.pngMobile only.png
Blessed Apple.png Blessed Apple
(1/200 chance, 1/150 Expert Mode) Pc only.png

From Light Mummies:

Light Shard.png Light Shard
Trifold Map.png Trifold Map
Mummy Banner.png Mummy Banner

From Pixies:

Megaphone.png Megaphone
Fast Clock.png Fast Clock
Pixie Dust.png Pixie Dust
Pixie Banner.png Pixie Banner

From Unicorns:

Unicorn Horn.png Unicorn Horn
Unicorn on a stick.png Unicorn on a stick
Unicorn Banner.png Unicorn Banner
From Gastropods:
Gastropod Banner.png Gastropod Banner

From Rainbow Slimes:

Rainbow Brick.png Rainbow Brick

From terrain:

Pearlstone Block.png Pearlstone Block
Pearlsand Block.png Pearlsand Block
Pearlwood.png Pearlwood

From terrain in
overlapping Snow:

Pink Ice Block.png Pink Ice Block

From terrain in
overlapping Desert:

Hardened Pearlsand Block.png Hardened Pearlsand Block
Pearlsandstone Block.png Pearlsandstone Block

From Fishing:

Princess Fish.png Princess Fish
Prismite.png Prismite
Crystal Serpent.png Crystal Serpent
Hallowed Crate.png Hallowed Crate
From Painter:
The Land of Deceiving Looks.png The Land of
Deceiving Looks

From Steampunker:

Blue Solution.png Blue Solution

Spreading[edit | edit source]

The initial Hallow spread during the onset of Hardmode may "purge" pre-Hardmode Corruption/Crimson areas.

Hardmode[edit | edit source]

As soon as Wall of Flesh is defeated, a section of Hallow spawns. This strip goes from the Underworld to the surface, converting stone, sand and grass in its path into pearlstone, pearlsand and hallowed grass, respectively. The Hallow's stripe can intersect with the Corruption's or Crimson's chasms as well as Floating Islands.

Hallow spreads in a manner very similar to corruption:

There are also a few differences in the way that the Hallow spreads:

  • The Hallow can spread through its vines (but can not "go up" through regular vines).
  • The Hallow does not uproot sunflowers, but can still spread beneath them.
  • Pearlstone does not seem to create hallowed grass as fast as ebonstone creates corrupt grass.
  • The Hallow cannot convert mud or jungle grass.

Killing Plantera slows the spread of Corruption/Crimson/Hallow to 1/3 of its original speed.

Pre-hardmode[edit | edit source]

Hallow does not normally exist before the world enters hardmode, but can be created with Hallowed Seeds, Holy Water, or the Blue Solution (for use with the Clentaminator) imported from another world. If it is created, it will only spread the same way as pre-hardmode Corruption: slowly, on the surface, and only through dirt and grass. This means you can safely use other hallowed blocks without creating a biome and converting regular blocks in pre-hardmode worlds. It still prevents the Corruption from spreading. Furthermore, Hallow-specific mobs will not appear, since they were only designed for hardmode.

Notes[edit | edit source]

  • An artificial Hallow biome requires at least 100 hallowed blocks, such as hallowed grass, Pearlstone, Pearlsand, or Pink Ice.
  • In Hardmode, all enemies in the Hallow have a chance of dropping a Hallowed Key.
  • The Hallow is the only of the three spreading biomes that does not have a respective boss, although all Mechanical Bosses drop Hallowed Bars.
  • The Hallow doesn't have an alternate version, unlike the Corruption (which is the Crimson).
  • The Hallow can be considered a good place to house NPCs due to the fact that it stops the spread of Corruption and Crimson, which don't allow NPCs to live within a 45 block radius.
  • The Corruption or Crimson is unable to overlap the Hallow.
  • The Hallow can spread to Grass and Flower Walls.
  • The Hallow will sometimes not spawn on the Surface; only underground.

Hallowed Desert[edit | edit source]

The Hallowed Desert.

When the Hallow spreads through desert, it becomes Hallowed Desert. It is very similar to the Hallow: the music theme is the same, the mobs are the same (except for the Light Mummy), and the background is slightly different.

The sand is replaced by pearlsand. Although their color is different, cacti still drop cactus when cut, and waterleaves are also able to grow.

History[edit | edit source]

  • 1.2.1: Crimson and Hallow now counteract each other.
  • Hardmode Crimson, Corruption, and Hallow spread is now slowed after killing Plantera instead of any Mechanical Boss.
  • 1.1: Introduced.
Surface Layers Forest • Desert • Ocean • Snow • Jungle • Mushroom • The Corruption • The Crimson • The Hallow • Space
Underground Layers Underground • Cavern • Underground Snow • Pc only.png Underground Desert • Underground Jungle • Underground Mushroom • Underground Corruption • Underground Crimson • Underground Hallow • The Underworld
Special Biomes Meteorite • Floating Island • Pc only.png Granite Cave • Pc only.png Marble Cave • Spider Nest • Bee Hive • Dungeon • Lihzahrd Temple
Other Living Tree • Pc only.png Enchanted Sword Shrine • Underground Cabin • Chasm • Pyramid • Jungle Shrine • Pc only.png Living Mahogany Tree • Ruined House