In 1394, a mysterious chest arrived at the construction site of Korea's new capital. Inside: twelve masks that mocked Heaven itself. When King Taejo ordered them buried, the earth erupted with laughter. The next morning, workers found the masks transformed—grinning faces of vanity, hypocrisy, and corruption that refused to stay silent. Thus began the Sandae Nori, Korea's sacred mask drama, where spirits of satire danced through the streets each spring, purging the city's sins through mockery and truth. For six centuries, these masks have outlasted dynasties, survived occupation, and carved themselves anew in the darkness whenever silenced. "Laughter protects the city better than walls." Drawing on forgotten Korean mythology, this lecture explores how ancient satirical spirits offer profound lessons for our modern crisis of truth and power. Discover why some truths can only be spoken by those who wear the mask—and why the gods always laugh louder than kings. For anyone seeking the courage to speak uncomfortable truths, the wisdom to receive them, and the sacred art of healing through laughter.