Question: what is the meaning of phantom of the opera

title: The Phantom of the Opera
text: The following night , the enraged and jealous Erik abducts Christine during a production of Faust , and tries to force her to marry him . Raoul , along with an old acquaintance of Erik 's , known as the Persian , attempt to rescue her but are trapped by Erik , who threatens that unless Christine agrees to marry him , he will kill them and everyone in the Opera House by using explosives . To save themselves and the people above in the Opera , Christine agrees to marry Erik . Erik initially tries to drown Raoul and the Persian , using the water which would have been used to douse the explosives . But Christine begs and offers to be his `` living bride '' , promising him not to kill herself after becoming his bride , as she had both contemplated and attempted earlier in the novel . Erik eventually releases Raoul and the Persian from his torture chamber .