Chapter 536: Seal of Heaven, suppress the devil!

Swish swish swish!!! Immediately, Long Ao paused and his eyes focused, while Ye Fan and the other three masters' expressions changed and they looked around. Boom boom boom!!! In an instant, bursts of rumbling sounds came from the ground around the main hall. Pieces of black crystals rushed out from the ground, hovering around Ye Fan and his four masters, emitting black demonic energy that intertwined together to form a black light shield that instantly enveloped Ye Fan and the other four. At...