Infinite Rewind, All My Skills Are at Full Level

Traveling through the parallel world, Lu Qing originally planned to stay up and grow slowly, but then, he discovered that he could set up unlimited save points and go back at any time! The most important thing is that after rewinding, the skill proficiency can still be saved! "Isn't this equivalent to being immortal and having maxed-out skills?!" Lu Qing's eyes lit up: "Gou?" "Fuck you!" "Sparkle for me!" … PS: This book is invincible