The Shadow (Biome)

Not to be confused with the painting: The Shadow.

"Preparing Demonic Regions of the Afterlife..." ~World Generation Message

The Shadow is a biome that generates in replacement of the Underworld. It has many new enemies, loot, and bosses.

From Terrain
Blazing Darkwood (Trees)

Demonstone

Shadite Ore

Nightcrawler (Potion Ingredient)

Dark Acid (Liquid)

From Houses
Shadite Brick

Shadite Brick Wall

Demon Chest

Shadite Table

Shadite Door

Shadite Chair

Shadow Dresser

From Demon Chests
Shadow Trident

(All Underworld Loot)

Hand Sonic (0.001% chance of it being Vol. 2)

Pre-Hardmode
(Same as Underworld)

Shadow

Shadow Serpent

Shattered Effigy (Boss)

Hardmode
Shadow Horde Conjurer