Alma 20:21–22

Now when the king saw that Ammon could slay him, he began to plead with Ammon that he would spare his life. But Ammon raised his sword, and said unto him:

“Behold, I will smite thee
except thou wilt grant unto me
that my brethren may be cast out of prison.”

From section: Encounter with Lamoni’s Father

From page: Mission to the Lamanites