Oh, it's not an ordinary key. It's a jewel.
6 seconds sound clip from the Conan the Destroyer movie soundboard.
You can hear this line at 00:20:03 in the DVD version of the movie.
Quote context
[...]
- At least they could've washed you first.
- Tell me more about this key.
- Oh, it's not an ordinary key. It's a jewel.
- A jewel?
- Only by me. No one else dare touch it.
- If there is anything here that you like, try not to take it.
- I know when to steal and when not to.
[...]