The Mysterious Evil Technique Mastered by Xu Shao? (Thanks to [Green Giant] for the generous reward)

"Heh heh..." Hearing Xiao Yan's questioning tone, along with the fiercely churning flames on Xiao Yan's body, Lei Shi's pale palm slowly lifted, emerging directly from the coffin and stepping just a few meters in front of Xiao Yan. He smiled with ill intent, and that smile, as it reached Xiao Yan's ears, carried a trace of shocking numbness.

"Don't be nervous. Actually, I don't even know why I've appeared here."

"I am a person already dead, and my final sliver of power lingers in the Thunder Tomb alongside my corpse." Lei Shi showed no sign of making a move, instead looking at Xiao Yan with relish, as if discussing something.

"Yet the you of the present has, to a certain degree, truly been resurrected, and you've even inherited all the power from your lifetime." Naturally, Xiao Yan did not believe this fellow's nonsense, and he said coldly.

"Stop wasting breath. Kill them for me." Just as Lei Shi was preparing to say more, his body unexpectedly trembled out of control, and a gloomy voice resounded in his mind like an unquestionable command.

His withered palm was covered in countless white cocoons, and immediately, strands of unusually piercing thunder beams poured out from within his body, rendering this entire medicine garden into a true thunder pool territory.

"What are you doing?" Seeing this, Xiao Yan was baffled. Everything had been fine just a moment ago, so why was he suddenly attacking?

"I don't know. My body doesn't seem to be under my control. Be careful!" Lei Shi was also completely at a loss, and could only offer a warning to Xiao Yan.

"Heavenly Thunder Blood Evil Palm!" No sooner had Lei Shi's warning to Xiao Yan fallen than his own mouth twitched out of control and he abruptly spoke, instantly