My world, nothingness, how to use the rune altar

1. First of all, in my world, you can choose to build rune altars on the flat ground or design your own buildings.

2. Secondly, place an eye square in the center of the rune altar as the core of the altar.

3. Then, four different trigger items are placed in four directions of the core.

4. Finally, right-click the core of the rune altar with the magic wand to activate it.