As soon as the check is in Scharzwald's grip, something appears in his other hand - his lighter, which he uses to burn it!

"This is my answer. This corrupt city will burn. Its domes are ineffectual, useless - people need to become aware! Experience themselves what has happened 40 years ago."

Mid-speech, the guests' masks suddenly burst into flames as well! Screams of agony can be heard through the room as they try to pry them off and run away.