Explore a new dimension! Make a portal with Reinforced cobblestones and use the Lunar Dimension igniter on it!
When you enter the Lunar Dimension your inventory will be cleaned and the portal will disappear, be prepared to start a new world in this dimension, it have all the resources to survive and evolve like wood, stone, ores, coal, mobs and food.
The Lunar Dimension have 3 unique biomes, Lunar Fields, Lunar Forest and Vulcano Fields. In Lunar Fields you can get Lunarium, Coal Fragments and Lunar Sticks which is an specific item from this biome. In the Lunar forest you can get Lunar Planks (only in this biome) and Copper (only in this biome). In the Volcano Field you can get the Volcano Block (only in this biome) and Ion Ore (only in this biome).
In this dimension there are also 2 new mobs, the Alien and the Lunar Cow. The lunar cow spawns only in the Lunar Forest and drops 1 beef. The Alien spawns in the Lunar Fields and Vulcano fields, it can drop cobblestones and rarely a Lunar Dimension Igniter so you can leave this dimension.
Note: use JEI (Just Enough Items) to craft items if necessary.