- Are you called The Master of The Three Arts?
- Master Chi.

5 seconds sound clip from the Ninjutsu (1968) movie soundboard.

You can hear this line at 00:10:05 in the Blu-ray version of the movie.

Quote context

[...]

- In the morning, I'll see if I can meet this old man.

- Whatever you say, Sir, but you are our commander.

- Should you be taking the risk? Just suppose the ninja set an ambush for you somewhere in the woods.

- Father, let me see the old man on your behalf.

- Quickly, the ninja!

- Are you called The Master of The Three Arts?

- Master Chi.

- Huh? How did you know I was Master Chi?

- They were ninja. They'd only be waiting for the general.

- But you're too young to be the general, and I heard the general has a son serving in the army. It's reasonable to suppose he'd send his son.

- This is a catalog of ninja skills.

[...]