What Else Can You Do If You Travel to a Different World Where You Are Invincible?

In the real world, Lu Ning is a weakling who is cautious in everything he does, but when he travels to another world, he finds that he is invincible. I wanted it before, now I can get it. Lu Ning, who was at the peak of his life, sighed slightly. He really felt a little nostalgic for the time when he was a weakling. At this time, God yelled and told him that his work was not finished so early. He still had to save the world. Enough was enough...