Chapter 457: The Mysterious Man**

Faced with the onslaught from the three, as relentless as a torrential downpour, the mysterious man in the black robe remained remarkably calm. He formed hand seals, and suddenly, a terrifying vortex appeared, surging forward. From within this vortex, a single character emerged—'Seal'! Upon witnessing this, the three men's expressions changed in unison. The character landed squarely above the Shadow King's head. Instantly, the Shadow King's face contorted with shock. He realized the flow of spiritual...