CRACK-BOOM—
A lightning pillar as thick as a water bucket pierced through the void, and in the blink of an eye, turned Cheng Junie's arm black and cracked, exuding bursts of a burnt stench.
Frowning at his withered and blackened arm, Cheng Junie's brow shone brightly. The black char flaked off his arm, and a brand new arm regenerated.