You will make a mighty ally.
4 seconds sound clip from the 300 movie soundboard.
You can hear this line at 01:34:55 in the Blu-ray version of the movie.
Quote context
[...]
- This will not be over quickly. You will not enjoy this. I am not your queen.
- Traitor. Traitor! Traitor! Traitor! Traitor!
- Leonidas, my compliments and congratulations.
- You surely have turned calamity into victory.
- You will make a mighty ally.
- Yield, Leonidas. Use your reason. Think of your men. I beg you.
- Listen to your fellow Greek.
- He can attest to the divine one's generosity.
- You fight for your lands. Keep them.
[...]