Trigun City was a vibrant urban center within Constantine Country, known for its rich history and picturesque landscapes. Before the apocalypse, the city bustled with life, its streets filled with locals and tourists alike. The main attraction was the impressive underground cave system, a labyrinth of natural wonders that drew thousands of visitors every year. These caves, with their intricate rock formations and subterranean lakes, were a significant tourist draw.
In the aftermath of the apocalypse, the scene in Trigun City had dramatically shifted. The entrance to the largest and most impressive underground cave was now infested with demonic beasts. Despite numbering only a little more than four hundred—a relatively small horde—their overwhelming power made them a formidable presence.