I Am Invincible in the Fantasy World of the Apocalypse

In a world where corpse cultivation thrives, Chen Yuan is betrayed by a villainous person. He unexpectedly awakens the All-Things Extraction System, which enables him to extract cultivation, techniques, spiritual energy, and more from any deceased entity. "So, if I kill him, his decades of cultivation will be mine?" With the system's support, Chen Yuan embarks on a journey of battling monsters, levelling up, and making significant allies, all while facing various trials. Unbeknownst to him, behind each trial lies a vast conspiracy woven specifically against him...