Shadow always wore a mask in Joy of Life and never showed his true face. Therefore, we have no way of knowing his true appearance.

The Shadow's true appearance was the Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. Although the true identity of the shadow had always been a mystery in the movie, according to the plot of the novel Joy of Life, the real identity of the shadow was Nan…
The Shadow's true appearance was Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. The true identity of the shadow had always been a mystery in the play. No one had ever seen his true face.
The Shadow's true appearance was Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones.
In Joy of Life, the Shadow's true appearance was the Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. The true identity of the shadow had always been a mystery in the play. No one had ever seen his true face.
The Shadow's true appearance was Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. The true identity of the shadow had always been a mystery in the play. No one had ever seen his true face.
In Joy of Life, the Shadow's true appearance was the Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. The true identity of the shadow had always been a mystery in the play. No one had ever seen his true face.
The Shadow's true appearance was the Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. However, the specific appearance description was not found in the search results provided.
The Shadow's true appearance was Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord.
In Joy of Life, the Shadow's true appearance was the Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. The true identity of the shadow had always been a mystery in the play. No one had ever seen his true face.
The Shadow's true appearance was Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones. The true identity of the shadow had always been a mystery in the play. No one had ever seen his true face.
The Shadow's true appearance was Great Grandmaster Sigu Jian's younger brother, the son of the former Dongyi City Lord. He was saved by Chen Pingping and became Chen Pingping's chief guard. The Shadow had always worn a mask and had never shown his true face because he harbored hatred and hoped to take revenge on Sigu Jian, who had killed his loved ones.