This Japanese Monogatari Isn't Lame - Chapter 189 - 171. Beichuan·Sherlock Holmes·Death God High School Student·Temple

[You have successfully devoured your target.][Your strength has increased by 250.][Your speed has increased by 200.][Your defense has increased by 300.] [You have acquired the Golden Immortal Bloodline.][You have acquired the Chaos Beast Physique.][Your cultivation has increased.][You have accumulated Madness.]The Era of Chaos is upon the Cosmos once more leading to various kinds of Chaotic Rifts spawning randomly.Meanwhile, a 26-year-old actor on Earth, Pascal Margrave, transmigrates into the body of Caelum Goldheart. Upon transmigration, he becomes the host of the World Devouring System - a system that allows Caelum to quickly become stronger by absorbing the power of anyone he kills.However, things are not so simple. Caelum quickly realizes that while he is the [Host] of the World Devouring System, he is not its true [Master]. Failing to complete the system's milestones within the designated time will lead to his soul being tortured in the Netherworld for all Eternity.Join Caelum on his journey as he attempts to take control of his own fate, uncovers the hidden plots around his transmigration and becomes the dominant power of the Cosmos.

“Can’t I properly read stallion novels anymore!”

The teenager Long Ao, ten years of silence, was reduced from genius to waste, and was ridiculed and mocked.

Ten years of persistence, ten thousand failures, and finally won mysterious Dragon Seal.

With Primal Chaos Saint Body, cultivation invincible cultivation technique, refining Heaven and Earth, devouring endless stars, sweeping the wasteland! Ask the vast stars, who dares to fight me? Boundless Starry Sky, War God! …

- Description from Uukanshu

Finding himself in an Last Airbender without an airbender around, a transmigrator waterbender goes on an adventure to stop the worst from happening to him.