Heero sneaks onto the Libra and goes with Relena to see Zechs. Treize, forces ready to attack, challenges Zechs to one duel to settle the war. But Zechs refuses.
I can't do that.
.لا يمكنني ذلك
Das kann ich nicht tun.
No puedo.
No puedo.
Je ne peux pas.
Não posso fazer isso.