From Millo Which seems to have been the town-hall, or state-house, near the wall of the city of Zion; or, as some think, a tower or armory. The Lord God of hosts was with him This was the cause of his great prosperity, that God, who commands all the armies of heaven and earth, directed and blessed him in all his enterprises.
Related Commentaries of 2 Samuel 5:9
2 Samuel 5:9-10
9 So David dwelt in the fort, and called it the city of David. And David built round about from Millo and inward.
10 And David wentb on, and grew great, and the LORD God of hosts was with him.