The Corruption

The Corruption is a biome that forms during the creation of a World at a random position. The Corruption can be identified by the purple colored grass that grows, and the sky will change to an orange-ish color. The Corruption is the only biome you will find Chasms, Ebonstone, Shadow Orbs and Vile Mushrooms in. Most maps contain around 1-3 Corrupted areas, but there may be more. The Corruption spawns higher-level monsters regardless of time of day and should be avoided initially. The Corruption would spread indefinitely if it is not stopped by a Sunflower or block that isn't dirt, sand, or stone. In The Corruption you will find purple thorns that can deal 20 damage, these thorns can grow from an area of corrupted dirt up to 4 blocks high and 4 blocks across. The Corruption will spread more rapidly after hard mode has been unlocked (spread by corrupters).

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Monsters found in The Corruption:


 * Eater of Souls
 * Eater of Worlds
 * Devourer
 * Corrupt Goldfish
 * Corrupt Bunny
 * Jellyfish
 * Corrupter (Hard Mode)
 * World Feeder (Hard Mode)
 * Slimer (Hard Mode)
 * Corrupt Slime (Hard Mode)

Corruption Prevention
After Hard Mode is activated in a World, the Corruption spreads at 2 times the normal speed, 'infecting' dirt, sand, grass and stone. A new property is that Corruption can now spread through Sunflowers, by removing them into items.

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Methods of Prevention
There are numerous ways to prevent the Corruption, from 'separating' your house/base from the rest of the map with a 3-block wide retainer (Corruption is able to cross 2-block wide barriers). You do not need to completely seal off your base, only separate the parts of your base from contact with the rest of the map that could become Corrupted.

Another way is to cure the Corruption before defeating the Wall of Flesh, eliminating the preventatives needed to protect your base. However this is a rather hard alternative as, although it has the best results, it is time- and money-wasting, for little or no profit. Also, as the Hardmode spawns more Corruption, the original biome is not as worth clearing.

Another method is to spread the Hallow on the both sides of your house, whether you prefer to be surrounded by the Hallow biome or the Corruption biome (The Hallow is much easier to cope with). The Hallow biome cannot cross 3-block wide retainers as well.

the fastest way to clear the corruption is by sticki bombs, however this will leave a very big hvole

Artificial Corruption
An artificial Corruption can be created by planting Corrupt Seeds in dirt, and by adding around 250 blocks of Ebonstone. This will spawn all monsters from the Corruption, and can be used as a place to summon the Eater of Worlds. Placing any Artificial Corruption close to your home is dangerous as Devourers will spawn and attack you.

Items/Monsters that Spread Corruption

 * Corrupt Seeds
 * Thorns

Hard Mode

 * Ebonstone (How many blocks required?)
 * Corrupter (Vile Spit)

Items that are commonly thought to spread Corruption

 * Vile Powder (reduces Hallow to Normal, Turns Bunnies and Goldfish Corrupt)
 * Demonite Ore (mostly found in Corruption)
 * Demonite Bricks