Well, then, she must do what she came to do. She must take the king's way down to the Red Bull.
8 seconds sound clip from the The Last Unicorn movie soundboard.
You can hear this line at 01:03:20.832 in the Blu-ray version of the movie.
Quote context
[...]
- It may be that she'll marry the good prince, who loves her.
- Oh. Oh, purr, purr. Do that. Yes. That be nice.
- No. No, that cannot be. She is the last.
- Well, then, she must do what she came to do. She must take the king's way down to the Red Bull.
- Is there a way? Tell me the way. Tell me where we must go!
- Avast! Hark ye closely, mum.
- When the wine drinks itself, when the skull speaks, when the clock strikes the right time.
- Only then will you find the tunnel that leads to the Red Bull's lair, har har.
[...]