In Joy of Life, Da Bao challenged the four grandmasters in episode 36. The four Grandmasters were Sigu Jian (Drunkard), Ku He (Tianmai), Ye Liuyun (Rogue), and the Qing Emperor (Hidden Great Grandmaster). Da Bao was a well-hidden figure. Not only did he know martial arts, but he also had a mysterious and huge organization protecting him in secret. His act of acting dumb provided help to Fan Xian and the others. He also stepped forward at the critical moment and single-handedly fought the four Grandmasters to save Fan Xian. Therefore, not only did Da Bao know martial arts, but he was also an expert.

Da Bao challenged the four grandmasters in the 36th episode of Joy of Life. The four Grandmasters were Sigu Jian (Drunkard), Ku He (Tianmai), Ye Liuyun (Rogue), and the Qing Emperor (Hidden Great Grandmaster). Dabao was the illegitimate son of the Qing Emperor and the Eldest Princess. His martial arts were very powerful and he could fight four grandmasters alone.
Da Bao challenged the four grandmasters in the 36th episode of Joy of Life. The four Grandmasters were Sigu Jian (Drunkard), Ku He (Tianmai), Ye Liuyun (Rogue), and the Qing Emperor (Hidden Great Grandmaster). Da Bao was a well-hidden figure. Not only did he know martial arts, but he also had a mysterious and huge organization protecting him in secret. He acted dumb in the play to protect himself and his family. According to the information provided, Da Bao was an expert who could fight the four grandmasters alone.
In the 36th episode of Joy of Life, Da Bao challenged the four grandmasters. The four Grandmasters were Sigu Jian (Drunkard), Ku He (Tianmai), Ye Liuyun (Rogue), and the Qing Emperor (Hidden Great Grandmaster). Dabao was the illegitimate son of the Qing Emperor and the Eldest Princess. His martial arts were very powerful and he could fight four grandmasters alone. Da Bao usually acted dumb to protect himself.
Dabao challenged the four grandmasters single-handedly: Sigu Jian (Drunkard), Ku He (Tianmai practitioner), Ye Liuyun (unspecialized), and the Qing Emperor (hidden Great Grandmaster).
Da Bao challenged the four grandmasters, Lin Xuan, Tong Haotian, Mo Xiye, and Deng Huohao.
The scene where Da Bao challenged the four grandmasters in Joy of Life happened in episode 36. The four Grandmasters were Sigu Jian (Drunkard), Ku He (Tianmai), Ye Liuyun (Rogue), and the Qing Emperor (Hidden Great Grandmaster). Although the search results did not provide specific fighting methods or strategies, it could be inferred that Da Bao's martial arts were very powerful and could fight the four grandmasters alone. Therefore, Da Bao might have used some superb techniques and strategies to defeat the four Grandmasters. The specific strategy needed to be understood by watching episode 36.
Joy of Life Da Bao dueled the four grandmasters in the 36th episode of the drama.
Joy of Life Da Bao dueled the four grandmasters in the 36th episode of the drama.
Joy of Life Da Bao dueled the four grandmasters in the 36th episode of the drama.
Joy of Life Da Bao challenged the four grandmasters in episode 36.