C838 Even the Heavens and the Earth Refused to Answer

"Rushing Thunder Palm!"

Gu Yuan activated the immortal energy in his body and unleashed his most famous palm technique.

Su Bai, who had been on guard against Gu Yuan's attack, did not show any fear when he felt the powerful palm technique.

In a split second, he also activated the immortal energy in his body and unlocked his lightning body. In that instant