Biomes
The Swift has six biomes. Five cover the surface, and the Echo Den lies deep below them.
Swift Meadows

Rolling hills of tall sculk grass, sprinkled with Chimebells and Hushblooms, with frosted white willow trees on the rises. This is the heart of the Swift.
| Blocks | Sculk Grass Block, Sculk Grass, Chimebell, Hushbloom, White Willow trees |
|---|---|
| Creatures | Blubs, Singers, lickers, trills |
| Monsters | Seedlings, nesters, sentinels and groobler sentinels, sprouts |
| Structures | Lullaby Circle, Monarch Court, Illager Soul Excavation |
White Willow Grove
Groves of tall white willows over carpets of teal verdigris moss. Their dark trunks rise to broad, pale canopies hung with long weeping strands. Singers like it here.
| Blocks | Verdigris Moss, White Willow Log and Leaves, Weeping White Willow, Goldfrond |
|---|---|
| Creatures | Singers (more common here), blubs, lickers, trills |
| Monsters | Seedlings, nesters, sprouts (common), sentinels |
| Structures | Lullaby Circle, Illager Soul Excavation |
Swiftstone Spires

Towering red swiftstone hoodoos, terraced mesas and natural arches with mossy caps, over dunes of orange russet grass. The sentinels’ favourite hunting ground.
| Blocks | Swiftstone, Russet Grass, Blush Sand, Goldfrond |
|---|---|
| Creatures | Lickers, blubs, a few Singers, trills |
| Monsters | Sentinels and groobler sentinels (common), seedlings, nesters, sprouts |
| Structures | Harmonizer Grove, Monarch Court, Illager Soul Excavation |
Carapace

Dunes of blush sand and russet grass around the bones of something enormous: giant ribcages, cracked shell domes and patches of sculk.
| Blocks | Bone Block, Carapace Shell, Blush Sand, Russet Grass, Sculk |
|---|---|
| Creatures | Lickers, a few blubs, trills |
| Monsters | Sculk slashers, sculk cubes, nesters, seedlings |
| Structures | Monstrosity Lair, Monarch Court |
Ichor Shallows

Wide basins filled with shimmering, multicoloured ichor. Blubs gather here in big groups to bathe.
| Blocks | Ichor, Blush Sand |
|---|---|
| Creatures | Lots of blubs, trills |
| Monsters | Seedlings, groobler sentinels |
| Structures | None |
Echo Den
A maze of dark, sculk-lined caverns deep beneath the Swift, reached through sinkholes and caves. There is no light down here except what you bring.
| Blocks | Sculk, Swiftstone |
|---|---|
| Creatures | None |
| Monsters | Sculk slashers (common), sculk cubes |
| Structures | None |