The Thermonuclear Blast is an item used to clear an entire world. Once used, it only contains bedrock and the white door bedrock is shifted to the first layer bedrock setting.
It can be bought for 15,000 gems in the store and can be traded and dropped. It costs 7.5wls (retail price).
In-store Description Edit
This supervillainous device will blast you to a new world that has beem scoured comepletely empty - it contains nothing but Bedrock and a White Door.Remember: when using this,you are creating a NEW World by typing in a new name.It would be irresponsible to let you blow up an entire existing world.