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== [[File:Jungle Wall.png|18px]] [[Jungle|Surface Jungle]] ==
 
== [[File:Jungle Wall.png|18px]] [[Jungle|Surface Jungle]] ==
The surface Jungle is defined by the presence of [[Jungle Grass]] or [[Lizahrd Bricks]]s, on the [[Surface]] layer. Jungle Grass will cause the spawning of surface jungle enemies, regardless of how many tiles are present. 80{{eicons|1.4.0.1|invert=y}}/140{{eicons|1.4.0.1}} blocks of Jungle Grass and/or Lizard Bricks, including plants that grow in the tiles above Jungle Grass, are needed to change the background and music into the Jungle biome's natural music and background.
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The surface Jungle is defined by the presence of [[Jungle Grass]] or [[Lizahrd Brick]]s, on the [[Surface]] layer. Jungle Grass will cause the spawning of surface jungle enemies, regardless of how many tiles are present. 80{{eicons|1.4.0.1|invert=y}}/140{{eicons|1.4.0.1}} blocks of Jungle Grass and/or Lizard Bricks, including plants that grow in the tiles above Jungle Grass, are needed to change the background and music into the Jungle biome's natural music and background.
   
 
Unlike the [[Forest]], Jungle grass naturally grows [[Rich Mahogany|Rich Mahogany Trees]], meaning you don't need acorns to get Rich Mahogany wood. Additionally, the Jungle is the main source of [[Moonglow]] and [[Sky Blue Flower]]s. It's also a source of [[Jungle Grass Seeds]], which can be used to build your own Jungle.
 
Unlike the [[Forest]], Jungle grass naturally grows [[Rich Mahogany|Rich Mahogany Trees]], meaning you don't need acorns to get Rich Mahogany wood. Additionally, the Jungle is the main source of [[Moonglow]] and [[Sky Blue Flower]]s. It's also a source of [[Jungle Grass Seeds]], which can be used to build your own Jungle.
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=== Underground Jungle ===
 
=== Underground Jungle ===
The [[Underground Jungle]] biome is defined by the presence of Jungle Grass or [[Lizahrd Bricks]]s in the [[Underground]] or [[Cavern]] layers. Which depth this is depends on the [[Map Size|Map's size]]:
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The [[Underground Jungle]] biome is defined by the presence of Jungle Grass or [[Lizahrd Brick]]s in the [[Underground]] or [[Cavern]] layers. Which depth this is depends on the [[Map Size|Map's size]]:
   
 
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Revision as of 04:58, 20 May 2020

Template:Grp status

This is a Guide page.
This is a Guide page.
This means the page will walk you through a specific task, strategy, or enemy/boss fight.

Artificial biomes are player-constructed biomes that will spawn the enemies and provide access to most of the other materials that this biome provides. Only certain biomes can be artificially constructed. These are useful for building gardens or otherwise farming for certain items. This guide will explain how to build such biomes.

Some biomes can be constructed within virtually any Layer, at any depth, while others have specific depth requirements. With the exception of the Meteorite biome, no biome will override the Underworld. Only biomes mentioned below can be constructed artificially.

General Tips

Buildable artificial biomes

These biomes can be constructed within any location. The depth will determine for some biomes if it's in "surface" or "underground".

Tree Forest

A Forest biome (also called "the Purity" in-game) is the default biome for the Surface layer. When none of the other conditions for a biome are currently fulfilled on the surface, then it is a forest biome.

A more proper forest can be grown by planting Grass Seeds on Dirt blocks. Trees can be grown with Acorns.

Using the Clentaminator with Green Solution will convert Corruption, Crimson, and Hallow into Forest.

This biome is useful if you don't want to deal with Hallow enemies, which can be hard to deal with, or you need a Fishing spot for fish that only spawn here, or to get the material that you can only get here (like normal Wood).

Hardened Sand Wall Desert

A Desert biome is defined by the presence of Sand blocks, in any layer except the Underworld. Even a single block of sand can grow Cactus and Waterleaf. It requires 1,000/1,500 blocks of sand to change the background into the desert background, and the presence of sufficient other biome-defining blocks on-screen will override this background.

If you want to create an Underground Desert, you additionally need sandstone or hardened sand walls behind the player.

A flat strip of sand, one block in height, is sufficient for harvesting various Desert materials. However, making a proper desert (with the background), it can make it prone to Sandstorms, which can be used to farm Forbidden armor in Hardmode.

Hardmode Desert

Hallowed, Corrupted, and Crimson deserts can be constructed from Pearlsand, Ebonsand, and Crimsand, respectively, in Hardmode.

Players might want to build these variants to farm Hardmode desert enemies for loot, such as Mummies, as their Hallow and Evil counterparts are needed to get Light and Dark Shards.

The Clentaminator can be used to convert Sand into other variants:

Jungle Wall Surface Jungle

The surface Jungle is defined by the presence of Jungle Grass or Lizahrd Bricks, on the Surface layer. Jungle Grass will cause the spawning of surface jungle enemies, regardless of how many tiles are present. 80/140 blocks of Jungle Grass and/or Lizard Bricks, including plants that grow in the tiles above Jungle Grass, are needed to change the background and music into the Jungle biome's natural music and background.

Unlike the Forest, Jungle grass naturally grows Rich Mahogany Trees, meaning you don't need acorns to get Rich Mahogany wood. Additionally, the Jungle is the main source of Moonglow and Sky Blue Flowers. It's also a source of Jungle Grass Seeds, which can be used to build your own Jungle.

The Jungle terrain is generally rough, and thus, it's a good idea to flatten and drain lakes around your farm spot, in order to farm its materials more efficiently.

Underground Jungle

The Underground Jungle biome is defined by the presence of Jungle Grass or Lizahrd Bricks in the Underground or Cavern layers. Which depth this is depends on the Map's size:

Map Size Min Start Depth Average Start Depth Max Start Depth
Small 60 ft 240 ft 420 ft
Medium 90 ft 360 ft 630 ft
Large 120 ft 480 ft 840 ft

If you're building an Underground Jungle, make sure to protect it from eventual Corruptible blocks that can destroy your efforts once you enter in Hardmode. For example, place a thick Stone barrier (must be at least 3-blocks thick) around your jungle and use Holy Water around it.

An Underground Jungle built in Cavern layer contains:

Additionally, in Hardmode:

Snow Wall Snow

A Snow biome is defined by the presence of 300/1,500 or more Snow Blocks, Ice Blocks (including pink, purple, and red variants) or Snow Bricks. This will change the background and music into the Snow biome ones. Below the cavern layer, Ice biome will be created instead.

Some Snow biome enemies require the presence of Ice Blocks to spawn, while others will appear along with the biome background and music, with particular enemies depending on depth and whether it's raining/snowing or not.

It's useful to farm Boreal Wood and Shiverthorns, which can only grow in Snow, and Frost Core in Hardmode.

Ebonstone Wall Corruption, Crimstone Wall Crimson and Pearlstone Wall Hallow

The Corruption, Crimson and Hallow biomes are defined by the presence of their respective evil and Hallowed blocks, in any layer other than the Underworld. At least 200/300 tiles of evil or 100/125 Hallowed grass, Ice, Stone, and Sand define a biome; tiles with plants growing on top of its grass also count. Note that for purposes of defining a biome, each block of Crimson or Corruption will subtract 1 from the total count of Hallow blocks and vice versa.

If the world is pre-Hardmode, an artificial Hallow biome will not spawn its usual monsters; it will spawn Forest monsters instead. It will spawn Lightning Bugs, instead of Fireflies, however.

Underground Hallow, Corruption, and Crimson

The criteria for the Underground Corruption, Underground Crimson and Underground Hallow are the same as for the standard versions of the biomes, only that the player needs to be at Underground or Cavern layer or lower.

In Pre-Hardmode, Hardmode enemies will not spawn.

Meteor Head Meteorite

The presence of 50 meteorite ore on the screen will transform any environment into a Meteorite biome. All naturally-occurring enemy spawns will be replaced with Meteor Heads, unless this is done in the ocean biome. This works even in the Underworld.

Glowing Mushroom Mushroom

A Glowing Mushroom biome is defined by the presence of Mushroom Grass, at least one exposed block of which will spawn Glowing Mushroom biome enemies if above the surface level of the world. At any depth, this grass will also sprout 1-block-tall Glowing Mushrooms and Giant Glowing Mushrooms. At least 100 tiles of mushrooms or mushroom grass are needed to start seeing changes to the Music and Background, although changing the water color in the biome may take more.

Making an artificial Glowing Mushroom biome in surface is needed for Truffle to appear. Moreover, making a surface version of this biome can give you a more accessible Glowing Mushroom farm, which grows naturally. However, it will not spawn Truffle Worm, as these can only be found in the Underground Layer.

It's possible to convert portions of the Jungle into Glowing Mushroom biome by using the Clentaminator with Dark Blue Solution.

Biomes that can be augmented, but not moved

Several biomes require that the player stand in front of a specific natural background wall to spawn the particular biome enemies. The existing biome may be enlarged, creating more space for the enemies to spawn. Background walls placed by the player will block enemy spawns.

Reaching them

Because these biomes cannot be made by the players, you need to connect them with some form of transportation system. You can travel between these biomes by:

Coral Ocean

The Ocean is the border of the world, and it's located in the world edges. It's a large body of water, with a small beach (in which you can farm and replant Palm trees) in its border.

  • The floor must be made of Sand at least one block thick. Pearlsand, Ebonsand, or Crimsand does not count.
  • There must be 2 or more tiles of Water atop the sand for Ocean monsters to spawn.
  • 7 or more tiles of water for Coral to grow.
  • This must be positioned within 250 blocks of either edge of the map.
  • This must be above a depth of 0, so within the Surface or Space layers.
  • There must be 1,000 tiles of connected liquid in order to catch ocean fish.
  • Cannot use lava, honey or other liquids besides water.

Hardened Sand Wall Underground Desert

The underground desert must be in the Underground or Cavern layer of the world and is found under one of the Deserts in the world. There will be a large tunnel leading down into it from the Desert. Despite possibly having multiple deserts a world may only have one entrance to one underground desert. The sandstone walls are naturally generated there and cannot be gathered. The sandstone walls or hardened sandstone walls(not currently in game) must be with sufficient sand, sandstone or hardened sandstone for the true biome.This attribute is similar to the spider nest and makes an artificial underground desert impossible.

Blue Brick Wall Dungeon

The Dungeon must be below the surface level of the world, and consist of at least 250 blocks of Dungeon Brick. The player must also be standing in front of a naturally-placed Dungeon Wall -- if the player removes and replaces the wall at the same location or elsewhere, it will no longer count towards the requirement, making it impossible to create artificial Dungeon biomes elsewhere.

Furthermore, for a dungeon NPC to spawn, there must also be a natural dungeon wall tile directly above a dungeon brick surface, ensuring they never appear just outside of dungeons. Being in a dungeon biome prevents any non-dungeon NPCs from spawning. So if there is no appropriate spawn surface for dungeon mobs (brick and wall), then all spawns are blocked.

Spider Wall Spider Cave

A Spider Cave mini-biome is based on the presence of the special mottled grey/brown cave wall in these areas. Blocks in front of these walls will accumulate Cobwebs up to three tiles deep, and Wall Creepers (pre-Hardmode) and Black Recluses (in Hardmode) will spawn. It's not possible to move or collect this cave wall, so artificial biomes can't be created elsewhere, but a player could set up blocks in an existing cave to affect spawning / allow collection of Cobwebs.

Hellstone Brick Wall Underworld

The Underworld is defined as roughly the bottom 200 blocks of any world; at around this level, the music and background changes, Underworld enemies will spawn, and water will generally evaporate. An artificial Underworld cannot be created at any other depth.

Lihzahrd Brick Wall Jungle Temple

A naturally occurring Lihzahrd Brick Wall behind the player is required for Lihzahrd and Flying Snake spawns. Thus, while the player may create spawning areas for these enemies by placing Lihzahrd Bricks, proximity to a natural Temple is still necessary. Walls placed by a player, in game, actually blocks spawns.

Lihzahrd Bricks count as Jungle biome blocks, and can be used to create an artificial Jungle biome, greatly increasing the Spawn Rate and NPC cap (in the forest or desert, for example), or to permit the summoning of Queen Bee.

Calculation Mechanics

Qualifying Blocks: Only blocks within a rectangular zone 84 tiles left and right, 61 tiles above and 60 tiles below the players 3x2 hitbox are counted towards determining active biomes. At the edges of the world, when the screen stops scrolling, this reference point no longer matches the player's position.

For biome influencing walls (e.g. dungeon and lihzahrd brick), only the one tile directly behind the middle of the player's sprite is considered. This moves with the player at all times, even at the world's edges.

The reference point determining biome depth appears to be the top of the screen. When at a transition between Layers, resizing the screen may change the active biome, even while player remains totally static.

When the criteria for multiple biomes are met simultaneously, there is an order of precedence for which one sets the music, background scenery, spawn rate, innocent NPC spawns, etc. However, multiple biomes may be active simultaneously. This allows, for example, the possibility of two or more Biome Key / Biome Key Mold drops within one area.