The primordial deity associated with the night in Greek mythology is Nyx. She is often portrayed as a powerful and shadowy figure, embodying the mysteries and dangers associated with the nighttime. Nyx represents the primordial aspects of creation and is linked to various night-related deities and concepts, such as dreams and fate. Her presence indicates that darkness is not merely the absence of light but a significant force with its own powers and influence, underscoring the dualities present in the mythology surrounding light and shadow.