Complex sentence: His body is used as a bait for the Destroyers to trap Cleon and Swan; however, this is unsuccessful for the Destroyers to kill them, and the two men escpae, nearly being killed.
Split into simpler sentences: His body is used as a bait for the Destroyers to trap Cleon and Swan. On the other hand, however, this is unsuccessful for the Destroyers to kill them, and the two men escpae, nearly being killed.