Charles Spurgeon Commentary 2 Chronicles 12:10-12

"And king Rehoboam made in their stead shields of brass, and committed them to the hands of the captains of the guard, that kept the door of the king`s house. And it was so, that, as oft as the king entered into the house of Jehovah, the guard came and bare them, and brought them back into the guard-chamber. And when he humbled himself, the wrath of Jehovah turned from him, so as not to destroy him altogether: and moreover in Judah there were good things [found]." — 2 Chronicles 12:10-12 (ASV)

Instead of which king Rehoboam made shields of brass, and committed them to the hands of the chief of the guard, that kept the entrance of the king's house. And when the king entered into the house of the LORD, the guard came and fetched them, and brought them again into the guard chamber. And when he humbled himself, the wrath of the LORD turned from him, that he would not destroy him altogether: and also in Judah things went well.

Or, rather, "things in Judah even went well." There was comparative prosperity; they were not altogether prosperous, for they were not altogether right with God; but there was a sufficient proportion of godly men, the Puritanic party, the Evangelical party, was strong enough in the land, for God still to look upon it with favor, yet not unmixed with disapprobation; for the party that worshipped idols, the party composed of the superstitious, the party belonging to the world was still very strong.