The following changes are:
Adds a craftable End Portal Frame (no Stronghold)
Lets you craft blaze powder
Lets you craft blaze rods (no Nether Fortress)
New tool that can mine End Portals
Chorus stick (to craft the tool)
Elytra crafting recipe (no End Cities)
End Stone recipe (DIFFERENT FILE YOU NEED TO DOWNLOAD BOTH OF THEM)
The Structureless Support Team
