2 Chronicles 18:15

And the king said to him, How many times shall I adjure thee that thou say nothing but the truth to me in the name of the Lord?

Cross-references

2 Chronicles 18:26 shows Ahab imprisoning Micaiah for his truthful prophecy — the direct consequence of the demand in v15.

1 Kings 22:16 records the same royal adjuration, providing the parallel account of the same event.