I'm in Another World, I'm Going to Use Immortality to Overthrow the Magic Weapon

Circles of magic arrays appeared one after another, and sacred chants sounded in the ears. Under the terrifying pressure, only one person straightened his back. "Forbidden Magic: Returning the Blessing of the Void." The formation exploded with a bang, circles of black ripples appeared out of thin air, and the sky was torn into pieces. The red rain fell from nowhere. Flowers, plants and trees are withered, and pale and mottled scenes instantly cover the entire world. "Immortal Technique: Extreme-Returning Light." As soon as he finished speaking, white light shot up into the sky and pierced the black barrier. In the center of the earth, there is a dot of light, and the handsome man pulls out the rusty sword on his back. "You guys are just mediocre." … This is a legend about a cultivator who reaches the pinnacle in another world, saves the world, and proves himself. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.