The Nemesis System is a game mechanic introduced in the video game series Middle-earth: Shadow of Mordor and Shadow of War. It creates a dynamic relationship between the player and the game's enemies, allowing them to remember past encounters. This system enables enemies to grow stronger, develop unique personalities, and even hold grudges against the player, making each interaction feel personal and impactful. Through the Nemesis System, players can experience a more immersive gameplay experience. Defeated foes may return with enhanced abilities, while those who escape can seek revenge. This mechanic adds depth to the game's narrative and encourages players to engage with the world in a more meaningful way.