Dragon Prince Yuan - Chapter 41 Auraflare Technique

After his qi center is destroyed, a martial arts instructor of the Blood Demon Cult is assigned to learn and research the martial arts of four captured murim masters. However, when the Cult betrays him and decides to kill him, he fights back and everyone in the Cult dies, including himself.He then mysteriously wakes up in the body of Baek Suryong, a young martial arts instructor in the rural countryside with a disease that will kill him within three years. He realizes that the martial arts he had learned holds the key to healing his new body’s illness, but in order to do that, he needed money. A LOT of money.Baek Suryong thus embarks on a journey to become the Star Instructor of the Azure Dragon Martial Arts Academy, and earn enough money to save his own life! Perhaps he would even manage to educate some kids along the way…

[You have awakened with the Lifespan Extraction System!][Extract Lifespan, advance your Cultivation and Cultivation Talent, amass an unstoppable Army of Shadow Beasts, and ascend to the Pinnacle of the World of Immortal Cultivation!]In the Super-Continent of Legaria, a Godlike youngling was born… and abandoned.Scorned and hated by all for merely existing, Zar struggled day in and day out, just trying to survive to see the next dawn. In a world of Intelligent Beasts, he, a Half-Beast, Half-Human—a species alien to the inhabitants of Legaria—had no one to rely on.By some miracle, he managed to make it in one piece to his 15th birthday. A day… which changed everything for him.*Ding!*[Are you ready to become the Ultimate Immortal Beast Tamer?]Fate shall be rewritten!Zar—a lone Godling—shall rise up and make even the most arrogant of God Beasts and Immortal Cultivators relinquish their strength to him!

Gou Liang travels through worlds in order to complete a mysterious and arduous mission…

16 worlds in total:

School Campus: Strawberry Flavored Scholar Gong √
Entertainment circle: Lemon Flavored Film Emperor Gong √
Ancient Time: Honey Tangerine Flavored Shadow Guard Gong √
WuXia: Melon Flavored Senior Brother √
Beastmen: Pineapple flavored Beastmen Gong √
Ghost Spirits: Snow Pear Flavored Dead Gong √
Ancient Time: Gr*pe Flavored Regent Gong √
Apocalypse: Banana Flavored Boss Gong √
Interstellar: Pomegranate Flavored Sentinel Gong √
Modern: Citrus Flavored Aristocrat Gong √
Mecha: Sweet Jujube flavored Lunar New Year Gong √
Ancient Time: Durian Flavored Battle God Gong √
Magic: Watermelon Flavored Blacken Gong √
Cultivation: Cherry Flavored Disciple Gong √
Fantasy: Blueberry Flavored Demon King Gong √
Celestial World: Bayberry flavored Senior Immortal Gong √

- Description from Novelupdates

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates