 An Assyrian governor named Kandalanu was then placed on the throne of Babylon to rule on behalf of Ashurbanipal.The next 22 years were peaceful, and neither the Babylonians nor Chaldeans posed a threat to the dominance of Ashurbanipal.However, after the death of the mighty Ashurbanipal (and Kandalanu) in 627 BCE, the Neo Assyrian Empire descended into a series of bitter internal dynastic civil wars that were to be the cause of its downfall.