The Demon Monarch System - Chapter 35 - Blood Tempering Ginseng

Found a suitable body named Bai Xiao. Reincarnating into the World of Elementalists.

“Mission: Overpopulation of carnivorous fish in the lagoon.

Please kill 666 carnivorous fish in order to prevent the destruction of the lagoon’s ecosystem.

Reward: 20 Balance Points.”

“Mission: Forest fire.

Extinguish the fire.

Reward: 200 Balance Points.”

- Description from Novelupdates

This world is sick, and it must be cured with swords and forged with iron and fire.To slay tyranny, to cut down the unrighteous. To overturn heaven and earth, to mold the human world.All shall begin with the sword in hand.======When the Innate Wisdom Bearer An Jing received aid from the ancient Sword Spirit, allowing him to traverse various realms, he knew that his future would inevitably lead him down a path full of hardships and difficulties, hard to be understood by others, yet capable of changing this wretched world.And on this path, he would also crush many deserving scum underfoot.“Heh heh, the Myriad Tribes of this world shall greet the birth of this epoch-making giant like me with fervent wishes. World, I'm coming to save you!”Noble Officials/Demon Sect/Heavenly Demon: “Alas, is reconciliation possible?”Elements: Chaotic times of Martial Arts, cyber cultivation, gates between two worlds

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

“Reincarnated into the World of Magic as a demon, the last thing Davis expected was to grow up right amidst the arms of angels. Ever since the group of philanthropic angels took pity on his miserable birth and adopted him, Davis has been forced to keep his evil identity a secret while he signed in to the system.

“”Ding! The Host has signed in at Angel’s Pond, ‘The Saint’s Halo’ is rewarded!””

“”Ding! Devil’s blood activated. Sign in error. ‘The Devil’s Curse’ is additionally rewarded!””

“”Ding! The Host has signed in at God’s Throne, ‘Gold’s Holy Axe’ is rewarded!””

“”Ding! Devil’s blood activated. Sign in error. ‘The Devil’s Manifistation’ is additionally rewarded!””

After a thousand years of quietly signing into places in the City of Angels and being rewarded with double the rewards, Davis’s true identity finally came to light! Now as a true Devil, Davis had both the world of angels and demons surrendering at his feet!”