I can return to the age of mysterious - Chapter 12 - 0 Cunning_1

Noah Brown had a gift for fighting. Unfortunately punching things didn't pay the bills, at least until he died and an Eldritch god found his soul. The encounter led him to a new world, summoned by bloody cultists, with nothing but the shirt on his back, and a strange item in his system menu.

[???] : A source of infinite potential.

Perhaps he'd finally get to put his gifts to good use.

The world is made up of the five elements, and it could be divided into Yin and Yang.Beneath the heavens, on the ancient divine center continent, billions of lives thrive in the prosperous era of the cultivation.Across its vast lands, happiness, sadness, reunion, and separation played out in the long lives of those seeking immortalhood.Light is always accompanied by darkness, and under the radiance of the heavens, there are silent shadows moving about…

Transmigrated to become a disciple of the demon sect, relying on the technique modifier to become a giant of the demon path.

[Detected the technique “Blood Nerve”, relying on devouring blood to cultivate]

[Side effect: easily affected by the spirit contained in the blood, becoming bloodthirsty, murderous, insane, and even brain dead]

[Please wait, system modification is in progress…]

[Ding! Modification completed and side effects canceled]