Complex sentence: He prayed to God to save him, so a lion passed in front of the Re'em, and as the Re'em bowed down to the king of beasts, David climbed off, but was threatened by the lion.
Split into simpler sentences: He prayed to God to save him, so a lion passed in front of the Re'em. As the Re'em bowed down to the king of beasts, David climbed off, but was threatened by the lion.