"Boom! Boom! Boom!"

On the arena, two shadows kept flashing, yet one seemed to move as gracefully as if strolling in a garden while the other dashed swiftly like lightning.

Between them, continuous booming noises were emitted. The powerful purple lightning seemed to be increasingly dangerous under the relentless bombardment of the Marrow-cleaning Pill.

At that moment, after Du Fei unleashed a barrage of Marrow-cleaning Pills, Gu Yun seemed to be ...