Marshes are characterized by small landmasses scattered in water. There are two types, one with larger landmasses and one with many smaller landmasses. "They" appear more frequently in this biome during Dense Fog. The water is noticeably more yellow here.
- Hollow Log
- Swamp Grass
- Bottle Brush Grass
- Weeping Blue
- Arrow Arum
- Marsh Hibiscus
- Marsh Mallow
- Pickerel Weed
- Soft Rush
- Swamp Tallgrass (uncommonly)
- Nettle (uncommonly)
In addition to Fire Flies, Wights, and rarely Chiromaws as usual, Peat Mummies and Shallowbreaths can spawn here. This is also one of the only two biomes that the Dreadful Peat Mummy can be summoned in.
The biome is dotted by occasional small and rarely large Weedwood Trees. Marsh Ruins and Shrine Dungeons generate relatively commonly here, the ruins in clusters. The Wight Fortress is a rare and important generated structure that can be found here.
|The Betweenlands Environment|
|Dimensions||The Betweenlands • The Nether • The Overworld|
|Biomes||Coarse Islands • Deep Waters • Marsh • Patchy Islands • Sludge Plains • Swamplands|
|Natural||Cavern (Lake) • Cragrock Spire • Giant Bulb-Capped Mushroom • Giant Hollow Log • Giant Root • Hearthgrove Tree • Nibbletwig Tree • Rubber Tree • Sap Tree • Silt Beach • Underground Oasis • Weedwood Tree (Giant • Rotten)|
|Buildings||Cragrock Tower • Druid Circle • Idol Head Statue • Ruins (Underground) • Shrine • Tar Pool Dungeon • Wight Fortress|
|Events||Auroras • Blood Sky • Dense Fog • Heavy Rain • Rift • Snowfall • Spook • Thunderstorm • Winter|
|Mechanics||Aspects • Corrosion • Decay • Food Sickness • Middle Gem Circle • Radial Equipment Menu|
|Other||Advancements • Loot Tables • Music|