They were just cannon fodder. You still haven't seen a real ninja fight.
6 seconds sound clip from the The Ninja Hunter movie soundboard.
You can hear this line at 00:46:10 in the Blu-ray version of the movie.
Quote context
[...]
- Master? If you do find any survivors, please inform me at once.
- Officer Hung, please take care.
- Dad. Uncle. Who were these guys?
- They were Yee Ho ninjas, the assassins Master White brought over from Japan.
- Huh. They weren't anything special.
- They were just cannon fodder. You still haven't seen a real ninja fight.
- Not bad. Their training's going well.
- Brother, we can make our move.
- The old schmuck will find out.
- Carry on as we have for the last 10 years, and he sure never will!
- Right!
[...]