Overworld

The Overworld is the second area you will visit after the Spawn area. Most events will happen here, such as "The world is getting sandy!" which spawns Sand Mobs, and has a chance to spawn the Sand Overlord, and "The world is becoming covered in stone!" which will spawn Stone mobs, and again, have a chance to spawn the Stone Overlord. There are 2 other events like this, "The world is getting icy." and "The world is getting grassy."