"Boom—"
A deafening roar of thunder suddenly exploded, and the entire secret realm trembled. Ling Xiao abruptly raised his head to see the previously clear sky instantly blanketed in dark clouds, countless electric serpents weaving through them.
"Heavenly Tribulation?!" Ling Xiao's pupils constricted sharply. "How could a Heavenly Tribulation be triggered inside a secret realm?"
Chapter 156