[Yes, the sunken pillars do look like pieces of what was once a castle, even if Sephiroth can only rely on his imagination. Midgar’s structures were far different, but a storybook castle, made of stone and made to stand tall, was a universal concept, even to his industrial-city-hailing mind.]

It looks like they were successful.

[A powerful empire invading another region, likely for the sake of more power — as all invasions often are. Sounds rather, well, familiar.]

Did they invade because they wished to expand their territory? Or was this a pivotal location in an on-going campaign?