In a closed urban fantasy, the magical world is secret and no one knows about it. In an open urban fantasy, everyone knows about it. So with a closed fantasy, you have to figure out how the world keeps itself secret, and with an open one, you have to figure out how knowledge of magic has altered the world we know.

In a closed urban fantasy, the magical world is secret and no one knows about it. In an open urban fantasy, everyone knows about it. So with a closed fantasy, you have to figure out how the world keeps itself secret, and with an open one, you have to figure out how knowledge of magic has altered the world we know.

He had become a monster. You just couldn't see it...because it wore the face of a friend.

Meet me in the courtyard in half an hour, then,” said Will. “I’ll wake Cyril. And be prepared to swoon at my finery.

Clary stopped dead in her tracks. "Simon?" "Oh, God," said Jace, sounding resigned. "And here I'd actually hoped I'd got hold of something interesting." -Clary and Jace pg. 114

It is what is left to him," said Will. "Do you not recall what he says to Lucie? 'If it had been possible... that you could have returned the love of the man you see before yourself- flung away, wasted, drunken, poor creature of misure as you know him to be- he would have been conscious this day and hour, in spite of his happiness, that he would bring you misery, bring you to sorrow and repetance, blight you, disgrace you, pull you down with him

Marry me," he said. "Marry me, Tess. Marry me and be Tessa Herondale. Or be Tessa Gray, or be whatever you wish to call yourself, but marry me and stay with me and never leave me, for I cannot bear another day of my life to go by that does not have you in it.