SOLVED. Closed gate, still can get through.

[ivory beacon]

Note: SOLVED! It is open for special occasions. You can go into this gate with ease... While it should not be possible. The gate does not open, but you can go through.
When you go through you enter a bare land, stop for a few seconds and automatically turn back.

[formal hemlock]

That area is only open for special occasions! We should note that better