The 49th Day of Sacrifice was not written in its own form, but it appeared in many novels and web novels. It is often described as an ancient traditional ritual to commemorate the death of a person or group. In novels, the 49-day sacrifice was usually used as a plot or scene to show the author's understanding and respect for traditional culture and history. The number of episodes of the 49-Day Sacrifice depended on the plot of the specific novel or online novel. In some novels, the 49-day sacrifice may appear in the first or second episode as part of the story. In other novels, it may be a separate chapter or plot or appear again in subsequent chapters or plots.