I came to give you this so you won't forget your little sister.

3 seconds sound clip from the Princess Mononoke movie soundboard.

You can hear this line at 00:11:03.858 in the Blu-ray version of the movie.

Quote context

[...]

- Some managed to survive here for all these years, but the blood of our tribe has grown thinner and weaker with each generation.

- Now our last prince must cut his hair and leave us, never to return?

- Sometimes I think the gods are laughing at us.

- Our laws forbid us from watching you go. Whatever comes to pass now, you are dead to us forever. Farewell.

- What are you doing here? You know it's forbidden.

- Do you think I care about that?

- I came to give you this so you won't forget your little sister.

- Your crystal dagger. Kaya, I can't take this.

- Please, keep it with you, brother, to protect you. You must take it with you. Please, I want you to have it, so you won't... forget.

- Kaya, you know I could never forget you.

- A battle? No. A massacre.

[...]