Clouds began covering the previously clear sky, turning it dark. Lightning crackled amid the clouds. An inexplicable air of heaviness and solemnity lingered in the surroundings. Countless birds and ferocious beasts in the nearby mountain forests fled in a fluster. Before this, no one had known that there were so many living beings residing in the vicinity. 0

Even the Mermaid Queen felt difficulty breathing. Her face paled in shock. “What’s going on?”0

Yumen Beiqing grimly replied, “He’s about to undergo a heavenly tribulation.”1

“Heavenly tribulation?” The Mermaid Queen was taken aback.0

“It is a trial mortals have to overcome to become immortals.” Yumen Beiqing looked at Zu An’s silhouette with a deep gaze. 0

“I...0