The ruin that birthed a society; the Life and Times of a city in the throes of death.
Triastu. The City of the Three. The Hallowed City. Triastu is the holy city of Trianarianism, and is the home of the Trirex. Many have paid homage to it, and many have gone on pilgrimages to it, and have marveled in its beauty.
Sid and Jir were childhood friends growing up in the same town on the ocean. Both creative geniuses, both with the need to be better than the other. Many will tell you that this friendship created their genius while others realized, in hindsight, that it spelled the lands doom.
An army and navy who work in the same way as others except their rank titles are upside-down. So people start as full generals and those with the rank of private command armies.