I Became the Master of the Forbidden Library

[Double Core] — Blessed with two abilities when others receive only one, he believed he possessed the ultimate talent, only to awaken worthless skills that saw him abandoned and cast aside. Regressing to the days before his awakening, he returns to the very home he swore never to visit again, where a sudden message appears: [The Forbidden Library opens]. Deep beneath the earth, a mysterious underground archive manifests, offering him an unforeseen path to power.