Shi Lei relied on the terrifying energy of the Purple Lotus and the Black Flood Dragon within his body to break through the bottleneck and barrier of the Foundation Establishment Stage in one fell swoop.
The very second he broke through, the sky turned as gloomy as ink. Dark clouds gathered in dense layers, rolling and pressing down toward the peak of the mountain as if pulled by an invisible giant hand. The entire Heishi Mountain area instantly plunged into the depths of Asura's hell.
Such tribulation clouds were by no means ordinary. The onlookers on the periphery stood dumbfounded, even though some of them had witnessed other cultivators undergoing the Golden Core Lightning Tribulation.
Chapter 476