!A Player is holding the Nether Star in one hand at night, while a piece of crystal has landed next to them.

!A Player has the Star Core inside the new Inventory Slot

• Craft the Altar Table using the Crystal Alloy which is picked up in the ground. It has the same crafting recipe as a Crafting Table.
• To use the Altar Table, right-click with an ingredient, then right-click with an empty hand to get the output. If no output is created, then the ingredients will be dropped instead.

• 4x Crystal Alloy -> Star Core
• 1x Crystal Alloy + X Book + 1x Enchanted Item -> Disenchanted Item and X Enchanted Book
• 1x Ender Pearl + 1x Crystal Alloy -> Ender Light

• Get the Void Core - Throw the Star Core into the void.
• Get the Quasar Core - Throw the Void Core into the light, and wait for it to change.