Biomes and the depth ladder

Ten surface biomes (the canonical names; the design texts also use Sunglade = Glade, Goldmere = Sunplains, Frostspire = Frostpeaks, Umbral Wastes = Ashen, Skyreach = Sky Isles). Alignment runs from light (+1) to dark (-1) and tints the ambient light, the faction mix and the spell affinity.

Glade (T1)

• Alignment +1 (light). Surface GLADE_GRASS, soil SOIL, rock STONE.
• Ores and key materials: Stone; Flint, Stone, Wood, Resin, Fibre, Hide Scraps. Boss: The Hollow Stag.
• Trees: tree.silverleaf, tree.whitebark; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.berry_bush (Glade Berries), pick.flower (Sunblossom), prop.driftwood (Wood).
• Creatures: Gloomling, Blightboar, Hollow Wisp, Bristleback, Glade Hart, Glade Dove.
• Crops: Sunwheat, Moonroot. Fish: Glade Perch. Tameable: Bristleback.

Elderwood (T2)

• Alignment +0.6 (light). Surface MOSS, soil SOIL, rock STONE.
• Ores and key materials: Copper Ore, Tin Ore, Embercoal; Elderwood, Copper Ore, Tin Ore, Embercoal, Dusk Eye. Boss: Grimbark the Elder.
• Trees: tree.conifer, tree.elderwood_giant; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.mushroom (Honeycap), pick.stick (Wood), prop.driftwood (Wood).
• Creatures: Duskborn Skulker, Duskborn Shaman, Duskborn Brute, Rootwraith, Moonlynx, Hollow Wisp.
• Crops: Moonroot. Fish: Elder Pike. Tameable: Moonlynx.

Mirefen (T3)

• Alignment -0.8 (dark). Surface MUD, soil PEAT, rock STONE.
• Ores and key materials: Bog Iron, Iron Ore; Bog Iron, Iron Ore, Scrap Iron, Ancient Bark, Mire Pearl. Boss: Bonemaw.
• Trees: tree.dead, tree.gloomroot; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), prop.driftwood (Wood), plant.reeds (Fibre), plant.hanging_moss (Fibre).
• Creatures: Drowned, Mire Ooze, Bog Wraith, Leechmaw, Hex Witch, Bog Hound.
• Crops: Glowberry, Star-flax, Mireleaf. Fish: Mire Eel. Tameable: Bog Hound.

Frostpeaks (T4)

• Alignment 0 (neutral). Surface STONE, soil GRAVEL, rock FROSTROCK.
• Ores and key materials: Moonsilver, Glimmerstone, Obsidian; Moonsilver Ore, Glimmerstone, Obsidian, Frost Crystal, Drake Scale. Boss: Nythara, the Dim Wyrm.
• Trees: tree.fir, tree.juniper; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), prop.driftwood (Wood).
• Creatures: Shadewolf, Frost Revenant, Rime Drake, Stone Colossus.
• Crops: Star-flax, Frost-turnip, Frostberry. Fish: Frost Char. Tameable: Frostwolf.

Sunplains (T5)

• Alignment +1 (light). Surface SUNGRASS, soil SOIL, rock SANDSTONE.
• Ores and key materials: Sunsteel Ore; Sunsteel Ore, Sunsteel Scrap, Star-flax, Amber. Boss: Warlord Vael, the Fallen King.
• Trees: tree.sunthorn; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), prop.driftwood (Wood).
• Creatures: Fallen Legionnaire, Fallen Pyrecaller, Fallen Berserker, Deathmoth, Steppe Aurochs.
• Crops: Sunwheat, Star-flax. Fish: Gold Carp. Tameable: Steppe Aurochs.

Veilmist (T6)

• Alignment -0.9 (dark). Surface VEILMOSS, soil SOIL, rock MARBLE_BLACK.
• Ores and key materials: Starfall; Starfall Ore, Skyglass, Aether Crystal, Cloud Silk, Black Marble. Boss: The Unlit Seraph.
• Trees: tree.veilwood; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), prop.driftwood (Wood), plant.hanging_moss (Fibre).
• Creatures: Mist Revenant, Hollow Seraph, Voidray, Night Terror, Mistcat.
• Crops: Moonroot, Glowberry, Cloudberry. Fish: Veil Lamprey. Tameable: Mistcat.

Ashen (T7)

• Alignment -1 (dark). Surface ASH, soil ASH, rock BASALT.
• Ores and key materials: Umbralite, Heartstone, Corestone Shard; Umbralite Ore, Heartstone, Core Shard, Dusk Crystal, Dawnstone. Boss: Nocthra, Mother of Dimming.
• Trees: tree.charred; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), prop.driftwood (Wood).
• Creatures: Void Knight, Umbral Magus, Abyssal Horror, Night Terror, Cinder Boar.
• Crops: Voidroot. Fish: Ash Angler. Tameable: Cinder Boar.

Rimewild (T6)

• Alignment +0.7 (light). Surface SNOW, soil SNOW, rock FROSTROCK.
• Ores and key materials: Starfall; Starfall Ore, Skyglass, Aether Crystal, Cloud Silk, Black Marble. Boss: The Unlit Seraph.
• Trees: tree.crystal; bushes (yield twigs).
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), prop.driftwood (Wood).
• Creatures: Rimeborn Stalker, Frost Revenant, Storm Warden, Rime Elk.
• Crops: Star-flax, Frost-turnip, Frostberry. Fish: Frost Char. Tameable: Rime Elk.

Ocean (T4)

• Alignment 0 (neutral). Surface SAND, soil SAND, rock STONE.
• Ores and key materials: Moonsilver, Glimmerstone, Obsidian; Moonsilver Ore, Glimmerstone, Obsidian, Frost Crystal, Drake Scale. Boss: Nythara, the Dim Wyrm.
• Trees: none.
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), prop.driftwood (Wood), plant.kelp (Kelp), plant.seagrass ().
• Creatures: Tide Gull, Brine Seal.
• Crops: none. Fish: none. Tameable: Glimmer Otter, Reefstrider, Abyssal Manta.

Sky isles (T6)

• Alignment +0.5 (light). Surface AETHER_SOIL, soil AETHER_SOIL, rock SKYSTONE.
• Ores and key materials: Starfall; Starfall Ore, Skyglass, Aether Crystal, Cloud Silk, Black Marble. Boss: The Unlit Seraph.
• Trees: none.
• Pickables: pick.flint (Flint), pick.stick (Wood), pick.stone (Stone), pick.aether_bloom (Aether Petal), prop.driftwood (Wood).
• Creatures: Hollow Seraph, Voidray, Skyray, Storm Warden.
• Crops: Cloudberry. Fish: Sky Minnow. Tameable: Skyray.

Shroom

• Alignment +0.4 (light). Surface SPORE_MOSS, soil MYCELIUM, rock SPORE_ROCK.
• Not a tier of its own.
• Trees: dimflora.shroom_stalk, dimflora.shroom_tall.
• Pickables: dimflora.pick_glowspore (Glowspore), dimflora.pick_sporecap (Spore Cap), prop.driftwood (Wood).
• Creatures: Capback, Sporeling.
• Crops: none. Fish: none. Tameable: none.

Crystal

• Alignment +0.8 (light). Surface CRYSTAL_SAND, soil CRYSTAL_SAND, rock CRYSTAL_ROCK.
• Not a tier of its own.
• Trees: dimflora.crystal_spire, dimflora.glass_tree.
• Pickables: dimflora.pick_shard (Crystal Shard), dimflora.pick_prism (Prism), prop.driftwood (Wood).
• Creatures: Shardhound, Glimmerwing.
• Crops: none. Fish: none. Tameable: none.

Ice

• Alignment +0.2 (neutral). Surface ICE, soil ICE, rock DEEP_ICE.
• Not a tier of its own.
• Trees: dimflora.ice_spire, dimflora.ice_tusk.
• Pickables: dimflora.pick_deepice (Deep Ice), dimflora.pick_brine (Brine Crystal), prop.driftwood (Wood).
• Creatures: Rimeback, Floe Tern.
• Crops: none. Fish: none. Tameable: none.

Depth strata

Deep Tide zones

The Ocean biome below the surface; see the Deep Tide.

Tier table

Tier	Biomes	Strata	Ores	Metal	Pick	Stations unlocked	Boss
T1	Glade	Crust	Stone		Antler Pick	workbench, fletching, hearth	The Hollow Stag
T2	Elderwood	Rootdeep	Copper Ore, Tin Ore, Embercoal	Bronze Bar	Bronze Pick	stonecutter, kiln, smelter, forge, arcane, cauldron, shipwright, alembic	Grimbark the Elder
T3	Mirefen	Stonehollow	Bog Iron, Iron Ore	Iron Bar	Iron Pick	loom, oven, fermenter	Bonemaw
T4	Frostpeaks, Ocean side tier: Deep Tide	Stonehollow, Glimmerdeep	Moonsilver, Glimmerstone, Obsidian	Moonsilver Bar	Moonsilver Pick	; tide	Nythara, the Dim Wyrm The Drowned Crown
T5	Sunplains	Glimmerdeep	Sunsteel Ore	Sunsteel Bar	Sunsteel Pick	sunforge	Warlord Vael, the Fallen King
T6	Sky_isles, Veilmist, Rimewild	Umbral Reach	Starfall	Starmetal Bar	Starmetal Pick	aether_anvil	The Unlit Seraph
T7	Ashen	Umbral Reach, Emberheart	Umbralite, Heartstone, Corestone Shard	Voidsteel Bar		dawn_altar	Nocthra, Mother of Dimming

What the ground gives

Digging a material yields an item (stone one per 4 removed cells, ore one per 2, soil nothing).