Amberith

Amberith is a mod with a new dimension, new mobs and a bunch of other things.

To start getting into the mod, you'll have to craft a Scepter of the Pizzaworld using Copper, Spectral Essence (dropped from the new Druid mob) and Sticks. Make the portal frame out of Rainbow Bricks, and light it! There are new biomes and new mobs to find.

Have fun!