Deep Nether

It's a new Nether-Like dimension consisting of 8 new biomes. Zombie Pigman can Spawn anywhere here. Diamond and Gold Ores spawn here, aswell Iron Nugget Hardened Netherrack. Deep Nether advancement will be given upon when entering Deep Nether.

Deep Nether Portal
To enter Deep Nether you must create a portal first, it's Portal Frame is made out of Soul Sand, it's igniter is Diamond Claw.

Biomes
Deep Nether consists of 8 various biomes.

Nether Mushroom Forest
Biome using Netherrack as ground, Nether Larvas and Big Nether Larvas spawn here. Nether Mushroom Structures generate here.

Purshroom Forest
Biome using Mycelium Netherrack as ground. Purshroom Blaze spawns here, Purshroom Structures generate here aswell.

Soul Sand Spires
Biome using Soul Sand as ground. Soul Sand Crawlers, Ghasts and Nether Lurkers spawn here.

Infected Plains
Biome using Netherrack as ground, Vein Rollers spawn here.

Blood Vine Forest
Biome using Netherrack as ground, Blood Leech and Khepera spawn here.

Spine Woods
Biome using Hardened Netherrack as ground, Baby Ghasts spawn here.

Volcanic Remainings
Biome using Charred Netherrack as ground, Lava Crabs spawn here.

Lava Geysers
Biome using Charred Netherrack as ground, Lava Imps and Magma Snakes spawn here.