The term "heart-rending" refers to something that causes intense emotional pain or anguish. Antonyms for this phrase could include "uplifting," "inspiring," or "heartwarming." These words evoke a sense of hope, joy, and happiness in contrast to the sorrow and distress associated with heart-rending situations. Other antonyms could include "pleasant," "delightful," or "enjoyable." These words convey feelings of comfort and ease, rather than the discomfort and distress often associated with heart-rending situations. Ultimately, antonyms for "more heart-rending" focus on positive emotions and experiences, rather than the negative ones that often accompany heartache and grief.