The god of war in Mesopotamian mythology is known as Nergal. He is associated with various aspects of warfare, destruction, and the underworld, embodying the fierce and chaotic nature of conflict. Nergal is often depicted as a powerful deity who leads armies into battle, representing not only physical warfare but also the spiritual challenges faced by humanity. His narratives encompass themes of justice and balance between life and death, highlighting the complex relationship between creation and destruction central to human existence.