The Nether

The Nether is the eighth area, after Cavern.

Overview
The Nether has Netherrack, which some allies can't be placed on. It also has lava, which nothing can be placed on, unless they're on the Obsidian Block.

Gained Allies
Fireballshooter (5-1)

Obsidian Block (5-3)

Soul Sand (5-6)

Ender Platform (5-10)

Encountered Enemies
Zombie Pigman (5-1)

Magma Cube (5-2)

Ghast (5-4)

Blaze (5-6)

Wither Skeleton (5-9)