What do I do on the balcony in the throne room?

Hint 1 of 6:

You can't be seen up on the balcony.

Hint 2 of 6:

So wait.

Hint 3 of 6:

At least until you see a good time to DO something.

Hint 4 of 6:

Most of the time you can just listen, but you can DO something to save Hen
Wen.