Should the ending of a heart-wrenching novel be happy or cruel?

The endings of heart-wrenching novels were usually a mixture of happiness and heartbreak because a good ending also required some emotional setbacks and tribulations to truly express the theme and emotional depth of the story. Some heart-wrenching novels might have a very happy ending through some dramatic events and twists. Such novels might make the readers feel gratified and satisfied, but the emotional shock and reflection might not be too great. Some heart-wrenching novels might have very tragic endings, and the heart-wrenching protagonist might experience all kinds of setbacks and tribulations and eventually lose everything. Such novels might make the readers feel the theme and emotions of the story more deeply, and at the same time, feel emotional pain and shock. Therefore, the ending of a heart-wrenching novel should not only conform to the theme and emotions of the story, but also shock the readers 'hearts and let them truly feel the depth and meaning of the story.