Signed to Billion Martial Soul at the Beginning

In the fantasy novel "Signed to Billion Martial Soul at the Beginning" (also known as SBMSAB or 开局签到亿万武魂), Fang Hao embarks on a journey through a real martial arts world where he gains respect from martial artists and signs to hundreds of millions of martial arts spirits right from the start. With the ability to accelerate practice speed, upgrade cards, and repairs, Fang Hao transforms into a supreme and invincible evildoer. The novel falls under the genres of fantasy and Xuanhuan, featuring themes of cultivation, fast cultivation, lack of common sense, mysterious family background, and an overpowered protagonist.