Doctor's Rebirth - Chapter 255

The mysterious force known as the Essence Record finally descended upon Earth, tearing the world asunder and reshaping it through chaos and evolution.Cities turned to ruins. Animals mutated. Some humans lost their minds, others became monsters. Only a few survived the Awakening… and were granted the right to evolve.A new world was born, where the old rules meant nothing. The only law that remained was survival—where hesitation equals death.Adam, an ordinary college student, finds himself alone, far from home, in a world no longer built for the weak. His only goal: to find his family—if they’re still alive in this broken world.No god, beast, demon, man or zombie shall stop him. As long as he draws breath, he won’t stop.

Your meridians cannot be cultivated? It’s ok! There are Crazy Leveling System, do missions, kill monsters, swallow other people’s spiritual power, make pills or forge weapon, participate in big battle, you can gain experience!

A century after the Spirit Qi Awakening, the world enters a new era. Humans are able to absorb the world’s awakened spirit qi, allowing them to tread on a new path—spirit qi occupations!

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates