Fantasy: Godly Signing in System

Yun Ling, on the eve of his sixteenth birthday, faces mixed feelings from his younger sisters, Yun Wei and Yun Chu, about the upcoming test to determine his cultivation talent—a critical milestone in this world where martial prowess can define one's destiny.      
Despite their teasing and doubts, Yun Ling harbors a secret determination fueled by a tragic past. He's not originally from Blue Star but a transmigrator who lost his parents at a young age and witnessed his father's murder—a powerful martial artist and vice master of the Golden Wind Martial Club. Adopted by Yun Jinglin, Yun Ling has lived with a burning desire for revenge against his father's killer, now a grandmaster level martial cultivator.
On Blue Star, a planet transformed by disaster thirty years ago that unleashed ferocious beasts and dark demonic energy, humans discovered the power of vitality, giving rise to superhuman warriors and a new era of martial cultivation.
Will he possess the cultivation talent needed to pursue his quest for revenge and protect those he cares for in a world where ferocious beasts and martial might reign supreme?