The Nether

Main Level
The main level of the nether hub has a floor of what is mostly obsidian at Y: 108. PLayer should take care in the area though or use scaffold when walking on it as there can be potholes in the floor to fall through.

In the center of the main level are a ring of nether portals. several portals also line an outer ring as well. It is possible to teleport from one side of spawn if you know the direction you want to travel in.

The hub doubles as a crystal PVP arena.

Lava Bath
Sitting directly below 0, 0 is the Lava Bath. Made of obsidian, there is an exit in the Lava Bath. Just make sure you don't fall down into it.

Nether Highways
There are four staircases leading up to the nether highways at Y: 120 inside the Nether Hub. The obsidian highways, originally laid my Daenningas, stretch out to 2,500 (20,000 in the overworld).

The nether is the preferred dimension for fast travel since each block traveled in the nether equals eight blocks in the overworld.

From there players have taken some of the nether highways out as far as the current world border at 3,000,000 blocks.

Nether portals can be found along the highways. Normally at the 625 (5,000 overworld) and 1250 (10,000 overworld) block markers. However players could also place nether portals in other places along the highways.

Ring Roads
Ring roads have been cut around spawn at 625 (5,000 overworld), 1,250 (10,000 overworld) and 2,500 (20,000 overworld). Nether portals can also be found at the corners of the ring roads.

World Pre-Generation
The server originally started life in version 1.14. The worlds were pre-generated on this version from 0, 0 out to 5,000 blocks. Except The Nether which was pre-generated out to 625 blocks.

This means no matter what, there are no new biomes to be found within 625 blocks of 0, 0.

Ring Roads
As of August 2020, the easiest way to find the biomes is to use the 1,250 (10,000 overworld) and 2,500 (20,000 overworld) ring roads. As time progresses however and the bastions have been raided, players will need to work further out.