The Obsidian Army is the military force of Lusteris, responsible for the defense and security of the city. The army is made up of professional soldiers, mercenaries, and adventurers who are trained to protect the city from external threats. The army is led by a council of generals and commanders who oversee its operations and strategy. The army is known for its discipline, skill, and valor in battle, and its soldiers are respected and feared throughout the region. The army is also responsible for maintaining law and order within the city, patrolling the streets, and enforcing the will of the council of guilds.