"Tribulation Crossing?" Xiao Long was startled.

When Demon Beasts reach the Demon Sovereign realm, they choose to transform into human form to better comprehend the power of laws.

For a Demon Beast to become human is to defy the heavens, and the heavens will send down thunder punishment as retribution.

This kind of thunder punishment is not the small thunder summoned by Xiao Long's lightning array, but the world-ending thunder, which could easily obliterate one's soul if not handled properly.