Why Do I Need the System When I Am Already Invincible?

System: "Young man, do you long for power?" Ling Tian punched the stone pier on the roadside and said, "What did you say?" System: "Then do you desire wealth?" Ling Tian clicked on the broken stone pier, and it instantly turned into gold. : "What do you think?" System: "Then you..." Ling Tian: "Stop, you should leave these to those who need them!" System: "You look down on me!?" Ling Tian: "Yes, I just look down on you." System: T_T