This is an old revision of the document!
https://imgur.com/LLg3zTW.png?nolink&800x300 Island Unlocks
There are 2 island unlocks currently available. The nether and the end. You cannot get to either (even by use of a portal) until they are unlocked.
Nether
Cost:
/is unlock Nether
End
Cost:
/is unlock End