"Spirit Cage" Mark can restore his human form.

Mark is the male protagonist of this anime. He violated the rules of the lighthouse before and was with Ran Bing. The male and female protagonists, if the male protagonist dies or the heroine dies, they will not be able to continue.

From a plot perspective, the male protagonist still needs to return to his human form. After all, it was impossible for Ran Bing to be with Mark in the state of the Devouring Beast. Moreover, Mark was very irritable in the state of the Devouring Beast, but he still retained part of his human consciousness, indicating that Captain Mark's memory was slowly awakening in the brain of the Devouring Beast.

Mark's identity and character in "The Cage":

Mark is the protagonist of the animation "The Cage". The captain of the hunter is brave, persevering, and has extraordinary combat prowess. He led the hunters again and again to bring back important survival supplies from the dangerous land. He was favored by the city lord and regarded as a hero by the people. He devoted himself to the lighthouse and dedicated himself to excellence, but deep down in his heart was a longing for another way of life. Be physically fit and exercise every morning. Because of his great contribution to the lighthouse, both the upper people and the ordinary people respect and admire him.

In the end, he turned into a beast, because Mark couldn't accept that his beloved was broken into pieces and demolished the lighthouse. Charles told him that emotion is the source of attracting the beast, which is why the three laws are implemented. Under the double stimulation of Charles and the little boy who once admired him but now hates him the most, Mark was about to jump to end his life. Captain Kou’s friend, who watched Mark grow up) hugged him and threw him to the ground.

Meeting Bai Yuekui on the ground may break the Mana ecology.