It Will Be A Surprise

Thirteen sat on top of a hill, gazing at the Kingdom of Seneros in the distance. 

But he wasn't looking at the city itself, but the thing behind the city.

A mile away from the city was the great wall that isolated the Fractured Heaven from the rest of the world.

It was the Old God's last-ditch effort to ensure that the denizens of Absolute Heaven survive the Jinn invasion.

But, it also trapped them, preventing them from being part of the bigger world.

The Old God was the Ancestor of the Absolutes and was the strongest of them all. It wouldn't be an exaggeration to call him the "First Absolute" for he was truly unrivaled. 

Using his superhuman strength and expertise in Ancient Technology, he created the wall with the help of his people, so that the seedlings of their race wouldn't vanish from the world.