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The Swamp is a biome. Swamps are dark, muddy areas, filled with massive trees and hostile creatures. Massive trees cover the sky in the swamp, making the biome always difficult to see in. Fire geysers are an uncommon find in the biome, always surrounded by 3 Surtlings. The swamp is also the place to find Scrap iron, a crafting material. Stone statues are also present in the swamp. Their purpose is currently unknown.

It is always lightly raining in the swamp, regardless of the weather elsewhere; this means the player will always be Wet when travelling through the swamp, further enhancing the difficulty of the area, especially at night where the player will always be Cold. Poison is also a common effect in the swamp from Oozers, Blobs, and Leeches, making Poison resistance mead particularly helpful.

The swamp contains Sunken Crypts, which require a Swamp key to unlock. These crypts are a set of rooms that are often separated by Muddy scrap piles, which can be mined for Scrap iron, Leather scraps and Withered bones. In addition, abandoned structures and hostile creature spawners can be found.

In addition to the Sunken Crypts, muddy scrap piles can be found buried beneath the swamp. These veins can be located using the Wishbone after defeating Bonemass, though it should be noted these tend to be uncommon and are generally not viable for providing any significant quantities of iron, because the player is unable to mine the deposit when fully submerged in water. Additionally, mining is a noisy activity and it will attract the local fauna.




Amount Item Chance
1-5 Amber Amber 11.8%
1-3 Amber pearl Amber pearl 11.8%
20-30 Ancient bark Ancient bark 11.8%
1 Chain Chain 11.8%
20-60 Coins Coins 11.8%
10-15 Ironhead arrow Ironhead arrow 11.8%
10-15 Poison arrow Poison arrow 11.8%
1-3 Ruby Ruby 11.8%
1 Withered bone Withered bone 5.9%


  • It may be necessary to use a boat such as a Karve to get there as for there are leeches there which will damage the boat even when player is on the boat (Only if agroed to boat) however you still can use a raft and just land on a different biome.
  • There are various ways to glitch (i.e. through unintended ways) into a swamp crypt without using a key. These methods may be patched in later versions of the game.