I had to kill them to defend myself. I'm very sorry.
7 seconds sound clip from the The Invincible Armour movie soundboard.
You can hear this line at 01:27:54 in the DVD version of the movie.
Quote context
[...]
- I discovered who the killer is.
- Who?
- Good. You're an extremely astute fellow. We can stop pretending.
- You really are very skillful, and particular with the Yang spear. First class. First class!
- I had to kill them to defend myself. I'm very sorry.
- No need for that. The winner is never at fault.
- Seems like another contestant.
[...]