The Forbidden Path to Immortality - Chapter 4

I became the Manager of Creature Corporation.I have to survive by pushing my employees to the limit!

An apocalypse for everyone, surviving in the ocean.Extreme weather, Extraordinary Sea Beasts, cunning and deceptive pirates, natives with ulterior motives... Danger lurks everywhere.Upon waking up, Chen Qing found herself suddenly in an ocean survival game, and she had awakened her unique Extraordinary Ability—Everything Can Be Upgraded!Everything Can Be Upgraded combined with the Mechanic profession, what kind of sparks will it ignite?The strongest Mechanic on the sea, Chen Qing's journey begins with a Mechanic's introductory guide!Mechanic Chen Qing, one person! Is equivalent to one nation!!

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

This is the tale of an earthling, who transmigrated as a dying third-rate god but somehow rose through the ranks, gaining followers and eventually causing the Fourth Great Apocalypse.