Cairo watched another Kingdom getting destroyed apathetically. He is already numb in these kinds of scenes and it wasn't a bother for him anymore
It was like this kind of thing is just a common occurrence for him. He doesn't even feel any guilt
For him, the citizens of all the Kingdoms under the Soaring Dragon Kingdom are sinners. If those citizens stand with each other and objected to the start of a worldwide war, would something like this even happen in the first place?
If they didn't let their Kingdom enter a war, they too wouldn't die. Those who don't do anything are also guilty. Apolitical people sides with the oppressors
Time past and Cairo just watched the destruction of another Kingdom to make sure that no mishaps will happen. After all, this Kingdom is stronger than the ones Cairo attacked before. They shouldn't be underestimated