If you follow that line of reasoning then not taking down the mountain when she had the chance is what would break the alliance.

1. This was not only about saving their people, it was also a revenge mission "blood must have blood" and it was also about destroying the mountain for good. 1 for 3.

The CW did it again, take a perfectly good story and turn it to shit. In what world does someone who was willing to let hundreds of her own people die so that she could win a war, concede to a battle she was going to win either way and betray someone she had fallen in love with. But you know f*** logic, we have to…