The Davidic Covenant is a significant promise made by God to King David, assuring him that his lineage would endure forever. This covenant, found in the Bible, specifically in the books of 2 Samuel and 1 Chronicles, establishes that David's descendants would rule over Israel and that one of his heirs would eventually establish an everlasting kingdom. This promise is crucial in the context of the Messianic prophecies, as Christians believe that Jesus Christ is a descendant of David and fulfills this covenant. The Davidic Covenant highlights God's faithfulness and the importance of David's royal line in the unfolding story of salvation.