Renzia Annabasis was part of an army of a small island nation. Garrisoned on the walls, protecting the city from outside harm.
His time as a soldier was relatively tame. There was no war present nor any skirmishes. But it would soon to change with a beautiful event,
meteorites fell from the sky and from there chaos started. People and animals turned into monsters. As for Renzia, Of course he would face hardships. It's an apocalypse after all.