The Ancestral Master of the Immortal Dao was a fantasy novel written in the mainland of China. The novel was published in 2011 and told a story about Xianxia. It was a controversial question whether or not they had copied the demonic path ancestor. Some people thought that the immortal ancestor had plagiarized the plot and character setting of the demonic ancestor, while others thought that there was no direct plagiarism between the two. In fact, the definition of plagiarism is very subjective, so different readers may have different opinions on this issue.