Doomsday Mutation: My Kill Book Is About to Go Insane from Stacking

(Origin Energy Revival + Apocalyptic Survival + Superpowers + Steady and Decisive Protagonist + Op-Op Fruit + New Era) The “pale blue dot” in the universe, the cradle we call home, will soon no longer belong to humanity alone... With every living thing on Earth starting from the same line, can humanity still stand at the top of the food chain this time? Luo Hao, nicknamed the Surgeon of Death, is reborn at the very beginning of the catastrophe! Before he died, he obtained a scroll of heavenly scripture called the Soul-Stealing Scroll. Luo Hao discovered that after killing a monster, he could steal the soul power of monsters and humans! A small monster adds one stack, a powerful monster adds ten?! Even an assist can add stacks?! Every time the Soul-Stealing Scroll gains a stack, he becomes stronger! He can even absorb the souls of his opponents and make them fight for him! And so, now that he has once again gained the power of the Op-Op Fruit, Luo Hao starts stacking a real-life kill book...