Junior Sister Just Wants to Keep Her Head Down

Just an ordinary couch potato, until one day he suddenly transmigrated into a cultivation world. He had a mediocre three-element spiritual root, and with powerful figures all around him, he seemed destined for the role of an NPC. But after arriving at the Sword Sect, his golden finger just kept getting more and more overpowered. What the heck? I only want to earn a little money and cultivate immortality. Seriously, just let me lie low until the end of time.