The Nether is mid-way through it's life with it having 12 billion years before it cools. With the nether evolving, it is starting to infect the overworld with it infecting the Mountains. All the mountains have been spreader by Nether life with all the snow melted. After 5 billion years of infesting, the Nethrr started to mutated and add new life to itself to become stronger.
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Added 75+ new blocks counting up to exactly 238 blocks
Added Skeandion, Flame, Elf, Flame Demon, Firehowler, Soulsand Beast, Soul Rider, Nether Mouth Trap (7 new mobs)
Higher up the amount trees in the Mountain Generation
Change the code and texture to the Basaltling, Spiltless Basaltling, and Magma-Covered Zombie
Added a new pair of code to add Counter-Noise Placement and Multi-Generation Alterations to add sub-biomes to existing Nether Biomes and for the placement of Custom Nether Plants
Added functions to place structures in the Nether