A Gathering of Shadows - V. E. Schwab - Bog

Kell is plagued by his guilt. Having given up smuggling, he is visited by dreams of ominous magical events, waking only to think of Lila. As Red London prepares for the Element Games - an extravagant international competition of magic - a certain pirate ship draws closer. But another London is coming back to life. Black London has risen again.