They were well known for their cruelty and, as a unit, were unbeatable in battle.
8 seconds sound clip from the The 72 Desperate Rebels (1978) movie soundboard.
You can hear this line at 00:01:24 in the DVD version of the movie.
Quote context
[...]
- Nobody had ever defeated him in a fight.
- He was also surrounded by 36 personal bodyguards who were all Kung Fu experts in their own right.
- Occupying an even higher position were the 18 monks.
- They were well known for their cruelty and, as a unit, were unbeatable in battle.
- Then were the 9 Golden Men with their gold heads and gold hands.
- And near the top, there were four chiefs: three killers and a monk who came from the West.
- He had gold teeth and was a devastating fighter. He knew everything that was to know about Kung Fu.
- So no one dared stand against them and they robbed the coastline at will.
[...]