Itai no wa Iya nanode Bōgyo-Ryoku ni Kyokufuri Shitai to Omoimasu - Chapter 438

This novel is also known as Gu Daoist Master

Humans are clever in tens of thousands of ways, Gu are the true refined essences of Heaven and Earth.

The Three Temples are unrighteous, the demon is reborn.

Former days are but an old dream, an identical name is made anew.

A story of a time traveler who keeps on being reborn.

A unique world that grows, cultivates, and uses Gu.

The Spring and Autumn Cicada, the Venomous Moonlight Gu, the Wine Insect, All-Encompassing Golden Light Insect, Slender Black Hair Gu, Gu of Hope…

And a great demon of the world that does exactly as his heart pleases!

—

*Gu (蛊) referred to poisonous insects in various cultures in South China while in folklore Gu spirits could transform into all kinds of species.

- Description from Novelupdates

Majiatisi Lei En, the sole Descendant of the Heroes is the nightmare of his entire town.

The apprentice of a proud Warlock, Lei En works hard to learn his trade unknowingly causing mayhem for those around him.

So when he stood on the tower of the Supreme Wizard, shouting with a heroic flair:

”I want to be the greatest of the alchemist of the Shenji Continent!”

A resounding roar of, “Boos” from the townspeople was the only response he got.

- Description from Novelupdates

In the realm of Nexaria, where elemental spirits and divine beings shape the fate of the world as a land of mortals striving to become gods against the demons of the Abyssal universe, a young boy named Lassim Vanthar embarks on an extraordinary journey of advancement, adventure and becoming a bastion for those around him in their fight against the Dragal.Born into a noble family with a legacy of Fire elemental martial prowess, Lassim possesses an unparalleled gift on his 8th birthday—a connection to two differing elemental spirits, a feat unheard of in the history of his world. A gift and a tampering of the order until now that is an omen. It is a sign of the Gods influencing the future fate of Nexaria on a more serious level.Lassim must harness the power of his dual spirits to protect his loved ones and confront the looming threat of the Abyss' encroachment on his universe, but one step at a time as he grows from just a tool of the God's to a major power as the hero ofnot only Nexaria, but the entire universe.Lassim faces daunting challenges, battles fierce adversaries, and unlocks the mysteries of his own destiny that has been tampered with by the Gods of this universe. How will he react and adapt to his situations?

16 years old-- most boys would be falling in love, as their hormones all rise to unprecedented levels. Most boys at Riley's age would have dreams; dreams that will slowly grow into passion. Riley, however, at age 16... killed the world's number 1 superhero.