2 Kings 6:31
Then he said, God do so and more also to me, if the head of Elisha the son of Shaphat shall stand on him this day.
Cross-reference
Ruth 1:17 uses the identical oath formula 'May the Lord do so to me and more also' — a common biblical vow of commitment or consequence.
1 Samuel 3:17 contains the same oath 'May God do so to you and more also' — Eli's threat to Samuel parallels the king's self-curse.
1 Samuel 14:44 records Saul's identical oath 'God do so to me and more also' against Jonathan — same formula of conditional curse.
1 Samuel 25:22 uses the oath 'God do so to the enemies of David and more also' — a variant of the king's self-curse formula.
In 2 Samuel 3:35, David uses the identical oath formula 'May God deal with me, be it ever so severely' — a king swearing by this phrase.
In 2 Samuel 19:13, David again swears with the same oath formula, here appointing Amasa — a direct verbal parallel.
In 1 Kings 2:23, Solomon uses the exact oath 'May God deal with me, be it ever so severely' — a king pronouncing judgment.
In 1 Kings 19:2, Jezebel swears with the same oath to kill Elijah — a direct verbal and situational parallel of a ruler threatening a prophet.
In Acts 23:12, Jewish leaders similarly bind themselves with an oath to kill Paul — mirroring the king's vow to execute Elisha.
Proverbs 16:14 states that a king's wrath brings death — directly illustrating the deadly threat in this verse.
Matthew 14:9 shows Herod reluctantly beheading John the Baptist due to a rash oath — a clear parallel to this king's vow against Elisha.
Mark 6:23 records Herod swearing an extravagant oath — mirroring the king's impulsive vow that threatens a prophet's life.
In John 11:50, Caiaphas says it is better for one man to die for the people — a leader's expedient logic to kill a prophet/Christ, similar to the king's willingness to sacrifice Elisha.