It was a cliche. Just as you thought the whole plot was over and the characters are chatting on their way home there comes the shocker. The last angel attacks, cutting Harold in half and disabling Felicia and Gillian.
Just for good measure, in the time-honoured tradition of Scoobie-doo, he goes over his plans for greathood, crowing over Julies imminent demise.
But what's this? Remember in chapter 5 Felicia said 'What good are ghosts'? Now we see. They save Julie and the ghost of her dragon-son dispatches Raphael.
Harold got better.