The merits of the Yin and Yang Sect can be divided into two categories. One is the Double-Training method. Men and women can gain from each other by practicing together. The other is the method of supplementing. This kind of merit principle typically harms others and benefits themselves.
Therefore, the Yin-Yang Sect expressly stipulates that the method of mending the immortals must not be used for the same clan, otherwise, whoever you are, you must be expelled from the clan. Therefore, the disciples of the Yin-Yang Sect only use the method of mending the immortals outside the Yin-Yang Sect.
But they also know that this method is too evil, once...