South of Yunmeng Marsh, overseas, where the clouds are deep and unknown.

Qingyunzi stood proudly between heaven and earth, as violent heavenly lightning struck down upon him.

This was the inevitable lightning tribulation that cultivators faced upon entering the Tribulation Crossing stage, a test from the Heavenly Dao.

Immortal cultivation is difficult, crossing tribulations is even harder, and ascending is the hardest of all—this is common knowledge in the world of cultivation.