It's his majesty orders.
4 seconds sound clip from the The 72 Desperate Rebels (1978) movie soundboard.
You can hear this line at 00:05:17 in the DVD version of the movie.
Quote context
[...]
- So no one dared stand against them and they robbed the coastline at will.
- Until a king sent in troops against them.
- But the soldiers did not know the terrain and were defeated.
- We've no time left. We're gonna have to make a change to our plans.
- Yes, sir. I see... What is it changing, sir?
- But since you are the only one who can spy on the safely, your mission is most important.
- There's no room for failure.
[...]