It depicts an episode from the Old Testament (Book of Kings 3, chapter 13). This book exists in the Greek translation of the Septuagint but not in the Latin Vulgate). It is about the pagan sacrifice offered by the Jewish king Jeroboam at Bethel. Jeroboam turns to the old prophet Josiah who warns him that the offering angers God. The ruler reacts arrogantly by demanding the arrest of the prophet. Then according to the words of the latter and for the punishment of the sacrificial Jeroboam the altar on which a bull is burned as a sacrifice. it opens and the ashes from the sacrificed animals come out. The people who attend the sacrifice, seeing the miracle are overcome with terror as shown by their intense gestures. The whole scene takes place in the countryside. The upper part depicts the punishment of the prophet Josiah himself because, disobeying God who asked him not to eat or drink anything in that place, he dines in the house of another prophet. On his way back to Judea, a lion throws him off his donkey and kills him.