Why were the gods and goddesses immortal?

The gods and goddesses were considered immortal due to their divine nature, which set them apart from mortal beings. They were often believed to possess extraordinary powers and attributes, allowing them to transcend the limitations of time and death. In many mythologies, their immortality was also linked to their ability to maintain cosmic order and balance, fulfilling essential roles in creation and the natural world. This eternal existence symbolized their supremacy and significance in the lives of mortals who worshipped them.