Chapter 77: Cave Emanating Such Powerful Thunder Energy (2)

Lin Yuan descended toward the mountain range situated on the fringes of Azure Cloud City's territory. His black-and-white Daoist robes snapped violently in the rushing wind, their intricate embroidery shimmering beneath the midday sun as his figure rapidly approached the rugged peaks below.

His deep purple eyes remained fixed on a gaping, pitch-black fissure nestled near the base of the tallest peak. At first glance, it appeared to be nothing more than an ordinary cave, its entrance surrounded by withered weeds and crumbling gray stone. There was nothing particularly remarkable about it, yet from within its depths came the faint, unmistakable aura of thunder that had drawn Lin Yuan's attention.