Infernal Forest Biome
Infernal Stalk can be found here
Aurora Island
generates in lava Lakes
Emberwood Forest Biome
Ambers can be found here
Soul Rainforest
Soul Forest
Nether coral reef biome
Infernal Plains Biome
Glowstone Crystals Biome
The Amber Material Set
Ambers in an Everwood Tree
The new Nether Springs Biome
Nether Springs biome
Waterfalls out of hot water can be found here
Witherwood Forest Biome
Wither Skeletons spawn here naturally
Hell Maple Woods
Toxic Wastelands
A Nether Knott
used to travel between parts of the Nether; similar to the End Dimension