Mercenary novels usually described some professional mercenaries who carried out missions under the leadership of their employers to obtain wealth and power. These mercenaries usually had excellent combat skills and tactical abilities to survive and adapt in different environments. Common plots in mercenary novels included: - The conflict and cooperation between mercenaries and their employers involved politics, military, economy, and so on. - The process of a mercenary's mission included adventure, battle, intelligence gathering, escape, and so on. - The professional life of a mercenary included training, rest, food, and socializing. - The friendship and cooperation between mercenaries would sometimes form alliances to fight against a common enemy. In mercenary novels, mysterious organizations or characters often appeared. They might be representatives of private employers, governments, or gangs. They provided mercenary services and used these mercenaries to achieve their goals. These organizations or characters usually had complicated relationships and secret plans that made the readers feel mysterious and curious.