Cannon Fodder Cultivating Immortality

It's a story about ordinary people, not a cool novel. The protagonist is stable, has an online IQ, and is decisive in killing. A boy from a mountain village was forced into the sect and became a cannon fodder disciple of the Liuji Sect. Born ordinary, with no background and no care from his elders, there was a high probability that he should have died in a feud between Jianghu and Jianghu. But an unexpected assassination mission allowed him to acquire a technique for cultivating immortals, which set him on the road to cultivating immortals. Although the path to immortality is extremely dangerous, it can easily save him and his family from their original tragic fate. The road to immortality was bumpy and thorny at every step. Chen Gou relied on his steady character and caution in everything, seizing one opportunity after another, and finally reached the pinnacle of the immortal path.