Naram-Sin was an ancient Mesopotamian ruler who became known as one of the greatest kings of the Akkadian Empire. He was the grandson of Sargon the Great and continued his grandfather's legacy of expanding the empire. Naram-Sin was a skilled military leader and led successful campaigns to conquer new territories. He also introduced new administrative and legal reforms, improving the governance of the empire. Naram-Sin was particularly famous for his victory stele, a monument that depicted him as a powerful and divine ruler. He portrayed himself as a god-like figure, a symbol of his authority and strength. Naram-Sin's reign marked a period of cultural and artistic advancement in Mesopotamia. 

The language of the Akkadian Empire was Akkadian, which was a Semitic language. It belonged to the same language family as Hebrew and Arabic. Akkadian was written using cuneiform, which is one of the earliest known writing systems. Akkadian was an important language in the ancient Near East and continued to be used even after the fall of the Akkadian Empire. 

The Akkadian Empire faced a gradual decline and eventual collapse due to various factors. One significant factor was internal unrest and political instability caused by weak rulers and regional rebellions. Additionally, external pressures from invading peoples and conflicts with neighboring empires weakened the Akkadian Empire's control over its territories. The empire also faced challenges such as economic decline, droughts, and famine, which led to social unrest and a decline in agricultural productivity. These factors, combined with the inability of subsequent rulers to maintain central authority and stability, eventually led to the downfall of the Akkadian Empire.