With little preamble, he slammed his hands together and thunder boomed through the room as a massive wave of darkness fell over the party.
He waited, letting the crowd’s anticipation grow. The Darkling might not have liked the Grisha performing, but he certainly knew how to put on a show. Only when the room was practically vibrating with tension did he lean into me and whisper, so softly that only I could hear, “Now.”

Leigh Bardugo, Shadow and Bone