The Crimson

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Two Crimson chasms.
For the underground hardmode variant of this biome, see Underground Crimson.

"Making the world bloody"

The Crimson is an evil biome with a red gore theme, in contrast to the dark purple wasteland theme of its counterpart, the Corruption. Every world will contain one of the two, generated randomly (each with a 50% chance of occurring) or Desktop Version chosen by the player upon world creation. Both contain similar hazards and feature their own unique enemies, items, and blocks. The tools, weapons, and armor obtained via Crimson material generally have minor advantages over those obtained via Corruption materials. Crimson enemies tend to have slightly higher stats, such as health, defense, and damage.

The Crimson contains multiple chasms, extensions of the biome into the underground. Every chasm has an entrance on the surface and leads to a large, circular cavity, then branches off into small "fingers" which end with a Crimson Heart. Crimson Altars generally line the chasm's passages, appearing inside and around it. Chasms consist of Crimstone, which can be blown up by explosives or mined with a Nightmare/Deathbringer Pickaxe or higher.

The Crimson spreads, meaning it slowly converts adjacent tiles to their Crimson variants. See below for details. Chasms, Crimson Altars, and Crimson Hearts will only appear upon world generation, and will not spawn in a Crimson area that has formed through spreading. If enough Crimson manages to take over a new area, then that area will eventually adopt the Crimson's theme music, background, and water color. For an area to be considered a Crimson biome, at least 200 tiles of Crimson grass or Crimson blocks must be present.

Contents[edit | edit source]

See Underground Crimson for the content found during Hardmode in and under the Cavern layer.

Spread[edit | edit source]

Main article: Biome spread

The Crimson spreads itself, similar to the the Corruption and the Hallow. This means that it slowly converts certain susceptible tiles that are in the vicinity of existing Crimson blocks. While its spreading capabilities are very limited during pre-Hardmode, it spreads much faster and more aggressively after defeating the Wall of Flesh. Defeating Plantera for the first time reduces the speed of the Crimson's spread by 1/2 (50%).

Crimson Desert[edit | edit source]

A Crimson Desert.

In Hardmode, Crimson spreads through Deserts, transforming them into Crimson Deserts. A Crimson Desert is fairly similar to a regular patch of Crimson: The theme music and enemies are the same, with the addition of Dark Mummies on the surface and Dark LamiasDesktop VersionConsole VersionMobile Version, Tainted GhoulsDesktop VersionConsole VersionMobile Version and Desert SpiritsDesktop VersionConsole VersionMobile Version in the undergroundDesktop VersionConsole VersionMobile Version.

Sand is replaced by Crimsand. Cacti drop ordinary cactus when cut, even though they have a different color. Waterleaf is not able to grow in Crimson Deserts.

Notes[edit | edit source]

  • Crimson can be created or spread artificially using Crimson Seeds, Vicious Powder, Blood Water, or the Clentaminator with Red Solution, obtainable from the Steampunker during a Blood Moon in Crimson worlds (she sells Purple Solution in a Corruption world instead).
  • Artificially creating a new Crimson biome requires at least 200 Crimson blocks. Although Corruption might replace Crimson at world generation, it does not prevent Crimson from being artificially created in a Corruption world, and vice versa. Spreading remains normal.
  • Any enemy in the Crimson or Underground Crimson has a 0.04% (1/2500) chance to drop a Crimson Key Desktop VersionConsole VersionMobile Version / Crimson Key MoldOld-gen console version3DS Version
  • The Steampunker will only sell the Flesh Cloning Vat and Red Solution in a world that naturally generated with Crimson. Artificially creating a Crimson biome in a Corruption world will not cause her to sell these items.
  • Old-gen console version3DS Version Trees in the Crimson do not drop Acorns.

Tips[edit | edit source]

For elaborate strategies on surviving in the Crimson, including detailed gear recommendations, see Guide:Surviving in the Crimson.

  • Early on, determining whether a world contains Crimson is possible in the following ways:
IconCrimson.png IconHallowCrimson.png
The tree in world selection (on the right: during Hardmode)
  • Desktop VersionConsole VersionMobile Version During world generation, one half of the progress bar will be green, and the other half red (purple for Corruption worlds). Additionally, the bar on the inside will be yellow (lime green for Corruption worlds), representing Ichor. The step in the world generation process in which the Crimson is created is called "Making the world bloody" ("Making the world evil" for Corruption worlds). Also, a tree at the side of the world name in the world selection has one green/normal side and one red side (purple for Corruption worlds).

Trivia[edit | edit source]

Two Crimson chasms overlapping each other.
  • Occasionally, two chasms might overlap, causing a sort of "cross" or "X" pattern, as seen in the image to the right.
  • Because of the large circular cavity, its out-warding branches, and the entrance tunnel cutting at sharp angles, the chasm could be interpreted as a cartoon-like hand, or a heart connected to veins.
  • The entrance of the chasm has teeth-like stalactites and stalagmites, and could be interpreted as the entrance being the mouth of a beast.
  • The interpretations of the above-mentioned trivia notes would make sense with the Crimson's gore like theme.
  • Many Crimson enemies have deformed features or blisters that resemble cancerous growths. This contrasts with the rotten bodies of many Corruption enemies, sometimes with green pus dripping out of them.
  • During a Blood Moon, three critters turn Crimtane (Crimtane BunnyDesktop VersionConsole VersionMobile Version, Crimtane GoldfishDesktop VersionConsole VersionMobile Version, and Vicious PenguinDesktop VersionConsole VersionMobile Version), a reference to the Crimson. They can also manually be turned Crimtane with Vicious Powder.
  • Official Terraria Lore – According to the official game lore, the Crimson is a living being who wants to balance the world, and the creatures who come from it were once people who worshipped the Crimson.
  • The shade of Crimson grass appears to be almost the exact same shade as inverted normal grass.
  • Old-gen console version The achievement "Corruptible" refers to the Corruption. However, the Crimson appears to have no Crimson achievement equivalent.

See also[edit | edit source]

History[edit | edit source]

  • Desktop 1.2.3: Crimson Deserts now have the proper water color. Added unimplemented crimson monster sounds.